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...

Labium :: Labium (n.) Inner margin of the aperture of a shell.

Goggle :: Goggle (v. i.) A disk with a small aperture, to direct the sight forward, and cure squinting..

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..

Stigma :: Stigma (v. t.) One of the apertures of the pulmonary sacs of arachnids. See Illust. of Scorpion.

Fatiscence :: Fatiscence (n.) A gaping or opening; state of being chinky, or having apertures..

Aprocta :: Aprocta (n. pl.) A group of Turbellaria in which there is no anal aperture.

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

Bole :: Bole (n.) An aperture, with a wooden shutter, in the wall of a house, for giving, occasionally, air or light; also, a small closet..

Embrasure :: Embrasure (n.) An aperture with slant sides in a wall or parapet, through which cannon are pointed and discharged; a crenelle. See Illust. of Casemate..

Orifice :: Orifice (n.) A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the orifice of an artery or vein; the orifice of a wound..

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

Shutter :: Shutter (n.) A removable cover, or a gate, for closing an aperture of any kind, as for closing the passageway for molten iron from a ladle..

Exostome :: Exostome (n.) The small aperture or foremen in the outer coat of the ovule of a plant.

Stop :: Stop (n.) The closing of an aperture in the air passage, or pressure of the finger upon the string, of an instrument of music, so as to modify the tone; hence, any contrivance by which the sounds of a musical instrument are regulated..

Hyperotreta :: Hyperotreta (n. pl.) An order of marsipobranchs, including the Myxine or hagfish and the genus Bdellostoma. They have barbels around the mouth, one tooth on the plate, and a communication between the nasal aperture and the throat. See Hagfish..

Trompil :: Trompil (n.) An aperture in a tromp.

Operculum :: Operculum (n.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda..

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

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

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

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