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Valve :: Valve (n.) A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, as in the barberry..

Three-way :: Three-way (a.) Connected with, or serving to connect, three channels or pipes; as, a three-way cock or valve..

Box :: Box (n.) A chamber or section of tube in which a valve works; the bucket of a lifting pump.

Fig-shell :: Fig-shell (n.) A marine univalve shell of the genus Pyrula, or Ficula, resembling a fig in form..

Silique :: Silique (n.) An oblong or elongated seed vessel, consisting of two valves with a dissepiment between, and opening by sutures at either margin. The seeds are attached to both edges of the dissepiment, alternately upon each side of it..

Mitral :: Mitral (a.) Pertaining to a miter; resembling a miter; as, the mitral valve between the left auricle and left ventricle of the heart..

Bivalve :: Bivalve (a.) Having two shells or valves which open and shut, as the oyster and certain seed vessels..

Nates :: Nates (n. pl.) The umbones of a bivalve shell.

Equivalve :: Equivalve (a.) Alt. of Equivalve.

Bear''s-paw :: Bear's-paw (n.) A large bivalve shell of the East Indies (Hippopus maculatus), often used as an ornament..

Valve :: Valve (n.) One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or retard the flow in the opposite direction; as, the ileocolic, mitral, and semilunar valves..

Trumpet :: Trumpet (n.) A wind instrument of great antiquity, much used in war and military exercises, and of great value in the orchestra. In consists of a long metallic tube, curved (once or twice) into a convenient shape, and ending in a bell. Its scale in the lower octaves is limited to the first natural harmonics; but there are modern trumpets capable, by means of valves or pistons, of producing every tone within their compass, although at the expense of the true ringing quality of tone..

Quinquevalvular :: Quinquevalvular (a.) Having five valves, as a pericarp..

Auriculated :: Auriculated (a.) Having ears or appendages like ears; eared. Esp.: (a) (Bot.) Having lobes or appendages like the ear; shaped like the ear; auricled. (b) (Zool.) Having an angular projection on one or both sides, as in certain bivalve shells, the foot of some gastropods, etc..

Quadrivalve :: Quadrivalve (a.) Dehiscent into four similar parts; four-valved; as, a quadrivalve pericarp..

Brachiopoda :: Brachiopoda (n.) A class of Molluscoidea having a symmetrical bivalve shell, often attached by a fleshy peduncle..

Air Gun :: Air gun () A kind of gun in which the elastic force of condensed air is used to discharge the ball. The air is powerfully compressed into a reservoir attached to the gun, by a condensing pump, and is controlled by a valve actuated by the trigger..

Naiad :: Naiad (n.) Any species of a tribe (Naiades) of freshwater bivalves, including Unio, Anodonta, and numerous allied genera; a river mussel..

Valvule :: Valvule (n.) A small valvelike process.

Quadrivalvular :: Quadrivalvular (a.) Having four valves; quadrivalve.

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