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...

Swallowed :: Swallow (n.) The aperture in a block through which the rope reeves.

Imperforated :: Imperforated (a.) Not perforated; having no opening or aperture.

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..

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..

Cyclostoma :: Cyclostoma (n. pl.) A division of Bryozoa, in which the cells have circular apertures..

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

Hiatus :: Hiatus (n.) An opening; an aperture; a gap; a chasm; esp., a defect in a manuscript, where some part is lost or effaced; a space where something is wanting; a break..

Chilostomata :: Chilostomata (n. pl.) An extensive suborder of marine Bryozoa, mostly with calcareous shells. They have a movable lip and a lid to close the aperture of the cells..

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

Holostomata :: Holostomata (n. pl.) An artificial division of gastropods, including those that have an entire aperture..

Spiracular :: Spiracle (n.) Any small aperture or vent for air or other fluid.

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

Rime :: Rime (n.) A rent or long aperture; a chink; a fissure; a crack.

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..

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..

Epiphragm :: Epiphragm (n.) A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or aestivation..

Vertigo :: Vertigo (n.) Any one of numerous species of small land snails belonging to the genus Vertigo, having an elongated or conical spiral shell and usually teeth in the aperture..

Holostomatous :: Holostomatous (a.) Having an entire aperture; -- said of many univalve shells.

Stigma :: Stigma (v. t.) One of the apertures of the gill of an ascidian, and of Amphioxus..

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

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