circuitry
A specific system of electrical circuits in a particular device; (uncountable) the design of such a system.
Electrical (or, by extension, other) circuits considered as a group.
The brain's neural network.

circularizer
A device for making a laser beam circular.

circularizers
plural of circularizer

circumbenzene
Synonym of coronene.

circumbenzenes
plural of circumbenzene

circumeter
A device used to measure a circumference, typically of fruit

circumeters
plural of circumeter

circumferentor
An instrument used to measure horizontal angles, consisting of a brass circle and an index, all of one piece.

circumferentors
plural of circumferentor

cist
A small receptacle for sacred utensils carried in festivals in Ancient Greece.

cistern
A reservoir or tank for holding water, especially for catching and holding rainwater for later use.
In a flush toilet, the container in which the water used for flushing is held; a toilet tank.
A shallow, typically oval, vessel made of porcelain, pottery, or glass.
The receptacle that holds the fuel in an oil lamp.
A cisterna.
The vessel surrounding the condenser in a steam engine.

cisterna
Any of the various membranes sections comprising some organelles like the Golgi apparatus and the endoplasmic reticulum.

cisternae
plural of cisterna

cisterns
plural of cistern

cists
plural of cist

civetone
The unsaturated macrocyclic ketone 1-cycloheptadec-9-enone that is a pheromone produced by the civet cat, and is used to add a musky tone to perfumes

claire
A small enclosed pond used for gathering and greening oysters.

claires
plural of claire

clamato
A beverage made from clam juice and tomato juice (especially this concoction as produced by Mott's) used to make Bloody Caesar cocktails.

clamatos
plural of clamato

clamdiggers
Waders; rubber pants (including oversized boots) worn when wading in shallow water, especially when digging for clams with a clam rake.
A kind of short trousers for women, usually ending at midcalf.
A non-auger posthole digger of a hand tool type with hinged operation.

clapboard
A narrow board, usually thicker at one edge than the other, used as siding for houses and similar structures of frame construction.
Such boards, arranged horizontally and overlapping with thick edge down, collectively, as siding.
An oak board of a size used for barrel staves.

clapboards
plural of clapboard

clapbread
clapcake

clapnest
A form of clap net used to capture ground-nesting birds

clapnests
plural of clapnest

clapometer
An audience-reaction monitor used to give a visual interpretation of applause; once used on some television game shows.

clapometers
plural of clapometer

clapskate
Alternative form of clap skate.

clapskates
plural of clapskate

claptrap
Empty verbiage or nonsense.
A device for producing a clapping sound in theaters.
A device or trick to gain applause; a humbug.

claptraps
plural of claptrap

clascoterone
An antiandrogen medication used topically to treat acne.

clasper
Anything that clasps.
Any of several appendages, in insects, crustacea and fish, that are used to clasp the female during copulation.
The tendril of a plant.

claspers
plural of clasper

classloader
A mechanism for dynamically loading classes into a virtual machine.

classloaders
plural of classloader

clavelin
A bottle of wine containing 62 centiliters of fluid, traditionally used for vin jaune.

clavelins
plural of clavelin

clavilux
A mechanical device for projecting lumia (an art form consisting of light patterns).

claviluxes
plural of clavilux

cleanout
An opening or drain leading into a plumbing system to provide a location to insert a snake or other implement for cleaning.
A thorough cleaning that removes everything removable.
An enema.

cleanouts
plural of cleanout

clergypersons
plural of clergyperson

cleroteria
plural of cleroterion
plural of cleroterium

cleroterion
Partly Latinised spelling of kleroterion

cleroterium
Latinised spelling of kleroterion

clew
A roughly spherical mass or body.
A ball of thread or yarn.
Yarn or thread as used to guide one's way through a maze or labyrinth; a guide, a clue.
The lower corner(s) of a sail to which a sheet is attached for trimming the sail (adjusting its position relative to the wind); the metal loop or cringle in the corner of the sail, to which the sheet is attached. (on a triangular sail) The trailing corner relative to the wind direction.
The sheets so attached to a sail.
The cords suspending a hammock.
Obsolete spelling of clue.

clews
plural of clew

clicker
The remote-control device used to change settings on a television set, VCR, or other electronic equipment.
An electronic device used by individual students in the classroom to respond to multiple-choice questions, etc.
A person who cuts out the uppers of shoes from pieces of leather using a flexible knife that clicks as it changes direction.
A machine that cuts materials using a steel rule die. The name comes from the sound (click) when the material is cut. May be hand, pneumatic, or hydraulic powered.
A signalling device used by military forces. Pressed between thumb and fingers, it makes a small but distinctive click understood by other members of a unit.
A small mechanical device that produces a clicking sound, used in dog training.
Someone who clicks, for example using a computer mouse.
Someone who stands by a shop door to invite people to buy; a tout.
One who has charge of the work of a companionship.
An employee who locks the type in the form to make it ready for printing.
Ellipsis of clicker game.

clickers
plural of clicker

clickfest
A game that involves a great deal of clicking (with the mouse or other pointing device).

clickfests
plural of clickfest

climaces
plural of climax

clinograph
A measuring tool that records the deviation of boreholes or the like from the vertical.

clinographs
plural of clinograph

clinometer
An apparatus for measuring a vertical angle, a slope, or the height of a large object (e.g. a tree).

clinometers
plural of clinometer

clinometre
Alternative form of clinometer.

clinometres
plural of clinometre

clinoscope
Synonym of clinometer.

clinoscopes
plural of clinoscope

clinostat
A rotating device that is used to investigate gravitropism in plants.

clinostats
plural of clinostat

clipcage
A small device for confining an insect to a leaf, mainly used in scientific studies.

clipcages
plural of clipcage

cloaca
A sewer.
The opening in reptiles, amphibians and birds, as well as elasmobranchians, lobe-finned fishes, and monotreme mammals, which serves as the common outlet for the urogenital ducts and rectum.
An outhouse or lavatory.
A duct through which gangrenous material escapes a body.
Structure in the embryo during the development of the reproductive and urinary systems.

cloacae
plural of cloaca

cloacas
plural of cloaca

cloche
A glass covering, originally bell-shaped, for garden plants to prevent frost damage and promote early growth.
A bell-shaped, close-fitting women’s hat with a deep rounded crown and narrow rim.
A tableware cover, often resembling a bell.
An apparatus used in controlling certain aeroplanes, consisting principally of a steering column mounted with a universal joint at the base, which is bell-shaped and has attached to it the cables for controlling the wing-warping devices, elevator planes, etc.

cloches
plural of cloche

clockstar
A bright star with precisely known right ascension, used for determining the error of clocks used to time meridian transits

clockstars
plural of clockstar

clockweight
One of the weights that regulate the mechanism of a clock.
A testicle.

clockweights
plural of clockweight

clodcrusher
A tool for pulverising clods of soil so as to produce a level surface.

clodcrushers
plural of clodcrusher

clofezone
A combination of clofexamide and phenylbutazone, formerly used to treat joint and muscular pain.

clogwood
The wood (typically alder) used for making clogs.