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The opening through which an animal receives food; the aperture between the jaws or between the lips; also, the cavity, containing the tongue and teeth, between the lips and the pharynx; the buccal cavity.

An appendage to an inlet or outlet opening of a pipe or vessel, to direct or facilitate the inflow or outflow of a fluid.

The nostrils or nasal openings, -- the anterior nares being the external or proper nostrils, and the posterior nares, the openings of the nasal cavities into the mouth or pharynx.

The funnelshaped opening of a nephridium into the body cavity.

An opening at either end of the embryonic neural canal.

ing end. -- Nose hammer (Mach.), a frontal hammer. -- Nose hole (Glass Making), a small opening in a furnace, before which a globe of crown glass is held and kept soft at the beginning of the flattening process. -- Nose key (Carp.), a fox wedge. -- Nose leaf (Zoöl.), a thin, broad, membranous fold of skin on the no…

One of the external openings of the nose, which give passage to the air breathed and to secretions from the nose and eyes; one of the anterior nares.

Two folds of mucous membrane, within the labia, at the opening of the vulva.

To stop or close, as an opening; specif., (Ordnance),

The act of stopping up, or closing, an opening. "Deaf by an outward obturation." Bp. Hall.

That which closes or stops an opening.

The transient approximation of the edges of a natural opening; imperforation. Dunglison. Occlusion of gases (Chem. & Physics), the phenomenon of absorbing gases, as exhibited by platinum, palladium, iron, or charcoal; thus, palladium absorbs, or occludes, nearly a thousand times its own volume of hydrogen, and in this…

enturies. A famous room in the palace of Versailles bears this name, from the oval window opening into it.

A small opening or loophole, sometimes circular, used in mediæval fortifications.

The opening of an abscess, or the removal of a tumor, with a cutting instrument. [Written also onkotomy.] Dunglison.

flow gently; to percolate, as a liquid through the pores of a substance or through small openings. The latent rill, scare oozing through the grass. Thomson.

Uttered with a relatively wide opening of the articulating organs; -- said of vowels; as, the än fär is open as compared with the a in say.

ng so constructed or manufactured (in needlework, carpentry, metal work, etc.) as to show openings through its substance; work that is perforated or pierced.

The early spring, or the time when flowers begin opening. [Archaic] Nares.

The act of opening an academical disputation; the proposition of objections to a tenet, as an exercise for a degree. [Eng.] Todd.