scaphism
A form of execution, among the ancient Persians, in which the victim is fastened into a hollow boat, force-fed and slathered in honey and milk and exposed to insects until the victim's death.

sceuophylacium
The repository of the sacred vessels in the Greek church.

schistosome
A parasitic flatworm which needs two hosts to complete its life cycle. The immature form infests freshwater snails and the adult lives in the blood vessels of birds and mammals, causing bilharzia in humans.

schistosomes
plural of schistosome

schizoplasmodiid
Any slime mould of the genus Schizoplasmodium

schizoplasmodiids
plural of schizoplasmodiid

schlockey
A box game variant of ice hockey, for two players, with two blade-less "schtick" sticks, a puck, a wooden box with two, three, or five slotted dividers, representing pass/shot opposition for the (possible) middle divider(s), and the goal slots for the two end dividers.

schlockware
Software that is of shoddy or inferior quality.

schnozzle
The human nose, especially one that is large.

schnozzles
plural of schnozzle

schofel
Alternative form of shoful (“counterfeit money”).

sciath
An oblong shield of wickerwork once used in Ireland.

sciaths
plural of sciath

sclerectome
The instrument used in sclerectomy

sclerectomes
plural of sclerectome

scooter
A kick scooter or push scooter; a human-powered land vehicle with a handlebar, deck and wheels that is propelled by a rider pushing off the ground.
An electric version of the kick scooter.
A motorscooter; a small motorcycle or moped with a step-through frame.
A mobility scooter; an electric-powered scooter specially designed for disabled or elderly people.
An ice scooter; a type of flat-bottomed, buoyant ice yacht used in the state of New York, equipped with runners for traveling over ice.
Synonym of diver propulsion vehicle.
Any of the large, black ducks of the genus Melanitta; the scoter.
A scooter skirt (skort), especially when worn by girls as part of a school uniform.

scootered
simple past and past participle of scooter

scooters
plural of scooter

scotoscope
Any instrument for viewing objects in the dark or in a faint light.

scotoscopes
plural of scotoscope

screwdown
A plastic case, fastened with screws, for storing and displaying a trading card.

screwdowns
plural of screwdown

scrine
A chest or other box for storing valuables.

scrines
plural of scrine

scrivet
A type of fastener made of plastic, comprising a screw and a captive nut, made for one-sided access in fastening body panels, fairings, splash shields, and so on; an instance thereof.

scrivets
plural of scrivet

scumware
malware

scuppet
A shovel.

scuppets
plural of scuppet

scyphi
plural of scyphus

scyphomancy
Divination using cups or goblets.

scyphus
A kind of large drinking cup used in Ancient Greece and Ancient Rome, especially by poor people.
The cup of a narcissus, or a similar appendage to the corolla in other flowers.
A cup-shaped stem or podetium in lichens.

seabag
A duffel bag used by sailors or marines.

seabags
plural of seabag

secundibrach
The second-order brachial plate of a crinoid.

secundibrachs
plural of secundibrach

seedbag
A bag for holding seeds.

seedbags
plural of seedbag

seedie
In the 19th century, an ex-slave, rescued from French, Portuguese or Zanzibari vessels off north-east Africa and locally recruited into the Royal Navy.

seedies
plural of seedie

seggs
Filter-avoidance spelling of sex (“sexual activity”).

seismocardiography
The non-invasive measurement of accelerations in the chest wall produced by myocardial movement

seismotectonics
tectonics caused by earthquakes

selfbow
A bow made from a single piece of wood (often referred to as a bow stave).

selfbows
plural of selfbow

semidiesel
An internal combustion engine of a type resembling the diesel engine in having heavy oil for its fuel, which is injected in a spray just before the end of the compression stroke and is fired without electrical ignition. The fuel is sprayed into an iron box (called a hot bulb or hot pot) opening into the combustion chamber, and heated for ignition by a blast lamp until the engine is running, when it is ordinarily kept red-hot by the heat of combustion.

semidiesels
plural of semidiesel

semigroup
Any set for which there is a binary operation that is closed and associative.

semigroups
plural of semigroup

semilattice
A partially ordered set that either has a join (a least upper bound) for any nonempty finite subset (a join-semilattice or upper semilattice) or has a meet (or greatest lower bound) for any nonempty finite subset (a meet-semilattice or lower semilattice). Equivalently, an underlying set which has a binary operation which is associative, commutative, and idempotent.

semilattices
plural of semilattice

semisubmarine
A surface vessel that remains on the surface but has an enclosed passenger or accommodation space located below the waterline, fitted with windows for viewing the underwater environment.

semisubmarines
plural of semisubmarine

sephacryl
A polyacrylamide stationary phase (molecular sieve) used in size-exclusion chromatography

seppuku
A form of ritual suicide by disembowelment using a blade, practiced by Japanese samurai, especially to rid oneself of shame, as a means of protest, or, formerly, as a method of capital punishment.

seppukus
plural of seppuku

serplath
80 stone in weight

serplaths
plural of serplath

servomechanism
A mechanical device for controlling large amounts of power by means of smaller amounts of power and correcting the performance of the device using feedback.
Any system which controls motion automatically using feedback.

sestet
A piece of music composed for six voices or six instruments; a sextet or sestuor.
The last six lines of a sonnet, forming two stanzas of three lines each.

sestets
plural of sestet

sestett
Archaic form of sestet.

sestette
Archaic form of sestet.

sestettes
plural of sestette

sestetts
plural of sestett

shabka
An engagement ring (traditionally with a golden net), symbolizing the intertwining or tying together of the couple.

shabkas
plural of shabka

shamsheer
Archaic form of shamshir.

shamsheers
plural of shamsheer

shamshir
A Persian curved blade without a pommel.

shamshirs
plural of shamshir

shapefile
A computer file in the Shapefile format, used in geographic information systems.

shapefiles
plural of shapefile

sharebeam
The part of a plough to which the share is attached.

sharebeams
plural of sharebeam

shath
A combination shower and bath.

shaths
plural of shath

sheathotomies
plural of sheathotomy

sheathotomy
incision into the sheath of a vessel

shebook
Alternative form of chibouk.

shebooks
plural of shebook

shelele
Misspelling of shillelagh.

shieldback
Any of various katydids with a shield-like pronotum.

shieldbacks
plural of shieldback

shillala
Alternative form of shillelagh.

shillalagh
Alternative form of shillelagh.

shillalaghs
plural of shillalagh

shillalah
Alternative form of shillelagh.

shillalahs
plural of shillalah

shillalas
plural of shillala

shillalies
plural of shillaly

shillaly
Alternative form of shillelagh.

shillelagh
A wooden (traditionally blackthorn (sloe) wood) club ending with a large knob.
Any cudgel, whether or not of Irish origin.

shillelaghs
plural of shillelagh

shillelah
Alternative form of shillelagh.

shillelahs
plural of shillelah

shillelies
plural of shillely

shillely
Alternative form of shillelagh.

shipment
A load of goods that is transported by any method (not just by ship).
The act of transporting goods.

shistosome
Misspelling of schistosome.

shitbag
A colostomy bag.
A worthless or despicable person.
The stomach.

shitbags
plural of shitbag

shitebag
Alternative form of shitbag.

shitebags
plural of shitebag

shivaree
Alternative form of charivari.

shivareed
simple past and past participle of shivaree

shivarees
plural of shivaree

shnozzle
Alternative form of schnozzle.

shnozzles
plural of shnozzle