servosphere
A device, composed of a sphere that can be rotated in all directions, that is used in experiments on the locomotion of insects etc.

servospheres
plural of servosphere

servosystem
A servomechanism or system of servomechanisms.

servosystems
plural of servosystem

seter
Alternative spelling of saeter.

seters
plural of seter

setpoint
The command signal or value which is fed into a controller to establish the target or desired position or state of the controlled device or process.

setpoints
plural of setpoint

setscrew
Alternative spelling of set screw.

setscrews
plural of setscrew

setwork
Synonym of setworks (“sawmill mechanism that positions the log for the next cut”).

setworks
The mechanism in a sawmill that positions the log for the next cut.

sevabertinib
A kinase inhibitor used to treat non-small cell lung cancer.

sevelamer
A phosphate-binding drug used to treat hyperphosphatemia in patients with chronic kidney disease.

sewer
A pipe or channel, or system of pipes or channels, used to remove human waste and to provide drainage.

sewers
plural of sewer

sexbot
A robot designed to have sexual intercourse with humans.
A lifelike love doll integrated with robotics to simulate human body movements and intelligence.
A chatbot used for erotic roleplay.

sexbots
plural of sexbot

sextant
A navigational device for deriving angular distances between objects so as to determine latitude and longitude.
One sixth of a circle or disc; a sector with an angle of 60°.
One of six groups of adjacent teeth, excluding the wisdom teeth.
A radial cell division of segments in three series, a sixth part of the original.

sextants
plural of sextant

sextupole
a distribution of either electric charge or magnetization equivalent to three dipoles that point in different directions
a magnet with three north poles and three south poles, used to focus or contain a beam of particles

sextupoles
plural of sextupole

sexuopharmaceutical
Any pharmaceutical drug used to enhance sexual performance.

sexuopharmaceuticals
plural of sexuopharmaceutical

sf
Alternative form of SF (science fiction)
Abbreviation of significant figure(s).

sgabelli
plural of sgabello

sgabello
A kind of stool typical of the Italian Renaissance, typically made of walnut and having a variety of carvings and turned elements.

sgabellos
plural of sgabello

shadehouse
A greenhouse used to provide plants with shade in a hot climate.

shadehouses
plural of shadehouse

shader
One who, or that which, shades.
A set of software instructions used to calculate rendering effects on graphics hardware.

shaders
plural of shader

shadoof
An ancient device used to gather water, consisting of a pivoted stick with a bucket on the end of it.

shadoofs
plural of shadoof

shadouf
Alternative spelling of shadoof.

shadoufs
plural of shadouf

shadowbox
A diorama or shallow display case, usually with a glass front.
A rectangular display area that is set off with a frame or drop shadow.
A box with a light inside used for reading X-ray images.
A shade that surrounds a lit display or screen to make it easier to read in bright environments.

shadowboxes
plural of shadowbox

shaduf
Alternative spelling of shadoof.

shadufs
plural of shaduf

shafthouse
A structure (enclosed or otherwise) for the hoisting equipment and landing platform at the top of a mineshaft.

shafthouses
plural of shafthouse

shaganappi
A rawhide strap, e.g. as used to hold together Red River carts.

shaganappis
plural of shaganappi

shakefork
A fork for shaking hay; a pitchfork.
A pall, especially one which stops short of the edges of the shield and which has pointed ends.

shamash
The candle used to light the other eight candles of a Hanukkah menorah or hanukkiah.
A sexton in a synagogue.

shamashes
plural of shamash

shamashim
plural of shamash

shammash
Alternative form of shamash.

shammashim
plural of shammash

shammes
Alternative form of shamash (“sexton in a synagogue”).
Alternative form of shamash (“candle used to light other candles of a Hanukkah menorah”).

shammeses
plural of shammes

shammos
Alternative form of shamash (“sexton in a synagogue”).
Alternative form of shamash (“candle used to light other candles of a Hanukkah menorah”).

shammosim
plural of shammes

shamos
Alternative form of shamash (“sexton in a synagogue”).
Alternative form of shamash (“candle used to light other candles of a Hanukkah menorah”).

shampooer
A machine for shampooing carpets.
A person (such as a hairdresser) who washes hair.

shampooers
plural of shampooer

shapometer
An instrument for measuring the shape of something.

shapometers
plural of shapometer

shareware
A type of software that is distributed without payment but is limited in any combination of functionality, availability, or convenience.

sharpener
A device for making things sharp.
That which makes something sharp.
An alcoholic drink taken at the start of the day, or just before a meal.

sharpeners
plural of sharpener

shatterbox
A device for mechanically pulverizing a sample of material, used by scientists.

shatterboxes
plural of shatterbox

shaugh
Alternative form of sheugh (“a ditch”).
Alternative form of shaw (“a small wood”).

shave
To make (the head, skin etc.) bald or (the hair) shorter by using a tool such as a razor or electric clippers to cut the hair close to the skin.
To cut anything in this fashion.
To remove hair from one's face by this means.
To cut finely, for example slices of meat.
To skim along or near the surface of; to pass close to, or touch lightly, in passing.
To reduce in size, weight, time taken etc., usually by a small amount.
To be hard and severe in a bargain with; to practice extortion on; to cheat.
To buy (a note) at a discount greater than the legal rate of interest, or to deduct in discounting it more than the legal rate allows.
To injure by employing a knife.

shavehook
A tool used for scraping metals, consisting of a sharp-edged triangular steel plate attached to a shank and handle.

shavehooks
plural of shavehook

shaves
plural of shave

shealing
Alternative spelling of shieling.

shealings
plural of shealing

sheelin
Alternative spelling of shieling.

sheeling
Alternative spelling of shieling.

sheelings
plural of sheeling

sheelins
plural of sheelin

sheepdog
Any of various breeds of dog used for herding sheep; an individual of such a breed.
Any of various breeds of dog used for guarding sheep; an individual of such a breed.
A chaperon; an adult who accompanies other people in a supervisory role.
A police officer.

sheepdogs
plural of sheepdog

sheephook
crook, a staff used by shepherds

sheepsfoot
A printer's tool with a claw at one end for prizing up forms.
A blade with one straight edge and one edge which runs parallel for most of the blade's length until it curves abruptly (almost at a right angle) down to a point at the tip, resulting in less of a piercing point than on a Wharncliffe; (loosely) a Wharncliffe.

sheetboard
Panels of plywood or chipboard, typically used for constructing or panelling walls.

sheeter
An industrial machine (similar in principle to a roller-type pasta machine) that produces a sheet of dough, fondant etc. of a regular thickness.
A person who put sheets (tarpaulins) on open railway wagons to keep the loads secure and dry in transit.
Something with a certain number or type of sheets.

sheeters
plural of sheeter

sheetline
Any of the edges of a map, as shown in a map index, used to define each sheet's extent.

sheetlines
plural of sheetline

sheilin
Alternative spelling of shieling.

sheiling
Alternative spelling of shieling.

sheilings
plural of sheiling

sheilins
plural of sheilin

shelf
A flat, rigid structure, fixed at right angles to a wall or forming a part of a cabinet, desk, etc., and used to display, store, or support objects.
The capacity of such an object
A projecting ledge that resembles such an object.
The part of a repository where shelvesets are stored.

shelves
plural of shelf
plural of shelve