Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of aperture is as below...

Vent :: Vent (v. t.) To let out at a vent, or small aperture; to give passage or outlet to..

Pupil :: Pupil (n.) The aperture in the iris; the sight, apple, or black of the eye. See the Note under Eye, and Iris..

Machicolation :: Machicolation (n.) The act of discharging missiles or pouring burning or melted substances upon assailants through such apertures.

Thurl :: Thurl (n.) A hole; an aperture.

Ingate :: Ingate (n.) The aperture in a mold for pouring in the metal; the gate.

Effuse :: Effuse (a.) Having the lips, or edges, of the aperture abruptly spreading; -- said of certain shells..

Umbilicus :: Umbilicus (n.) Either one of the two apertures in the calamus of a feather.

Emissary :: Emissary (a.) Applied to the veins which pass out of the cranium through apertures in its walls.

Overture :: Overture () An opening or aperture; a recess; a recess; a chamber.

Wad :: Wad (n.) A soft mass, especially of some loose, fibrous substance, used for various purposes, as for stopping an aperture, padding a garment, etc..

Rima :: Rima (n.) A narrow and elongated aperture; a cleft; a fissure.

Vial :: Vial (n.) A small bottle, usually of glass; a little glass vessel with a narrow aperture intended to be closed with a stopper; as, a vial of medicine..

Barker''s Mill :: Barker's mill () A machine, invented in the 17th century, worked by a form of reaction wheel. The water flows into a vertical tube and gushes from apertures in hollow horizontal arms, causing the machine to revolve on its axis..

Apertion :: Apertion (n.) The act of opening; an opening; an aperture.

Trigone :: Trigone (n.) A smooth triangular area on the inner surface of the bladder, limited by the apertures of the ureters and urethra..

Perforation :: Perforation (n.) A hole made by boring or piercing; an aperture.

Oscule :: Oscule (n.) One of the excurrent apertures of sponges.

Rove :: Rove (v. t.) To draw through an eye or aperture.

Slide :: Slide (n.) A cover which opens or closes an aperture by sliding over it.

Serpula :: Serpula (n.) Any one of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidae. They secrete a calcareous tube, which is usually irregularly contorted, but is sometimes spirally coiled. The worm has a wreath of plumelike and often bright-colored gills around its head, and usually an operculum to close the aperture of its tube when it retracts..

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