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 gill is as below...

Prosobranchiata :: Prosobranchiata (n. pl.) The highest division, or subclass, of gastropod mollusks, including those that have the gills situated anteriorly, or forward of the heart, and the sexes separate..

Quartern :: Quartern (n.) A quarter. Specifically: (a) The fourth part of a pint; a gill. (b) The fourth part of a peck, or of a stone (14 ibs.)..

Cyclobranchiate :: Cyclobranchiate (a.) Having the gills around the margin of the body, as certain limpets..

Operculum :: Operculum (n.) The principal opercular bone in the upper and posterior part of the gill cover.

Lugworm :: Lugworm (n.) A large marine annelid (Arenicola marina) having a row of tufted gills along each side of the back. It is found burrowing in sandy beaches, both in America and Europe, and is used for bait by European fishermen. Called also lobworm, and baitworm..

Beard :: Beard (n.) The gills of some bivalves, as the oyster..

Scutibranchiate :: Scutibranchiate (a.) Having the gills protected by a shieldlike shell; of or pertaining to the Scutibranchiata.

Siphon :: Siphon (n.) The tubular organ through which water is ejected from the gill cavity of a cephaloid. It serves as a locomotive organ, by guiding and confining the jet of water. Called also siphuncle. See Illust. under Loligo, and Dibranchiata..

Beard :: Beard (v. t.) To oppose to the gills; to set at defiance.

Siphonarid :: Siphonarid (n.) Any one of numerous species of limpet-shaped pulmonate gastropods of the genus Siphonaria. They cling to rocks between high and low water marks and have both lunglike organs and gills.

Trematodea :: Trematodea (n. pl.) An extensive order of parasitic worms. They are found in the internal cavities of animals belonging to all classes. Many species are found, also, on the gills and skin of fishes. A few species are parasitic on man, and some, of which the fluke is the most important, are injurious parasites of domestic animals. The trematodes usually have a flattened body covered with a chitinous skin, and are furnished with two or more suckers for adhesion. Most of the species are hermaphrodi

Spongin :: Spongilla (n.) A genus of siliceous spongea found in fresh water.

Cowfish :: Cowfish (n.) A California dolphin (Tursiops Gillii).

Caducous :: Caducous () Dropping off or disappearing early, as the calyx of a poppy, or the gills of a tadpole..

Phyllobranchia :: Phyllobranchia (n.) A crustacean gill composed of lamellae.

Tubicolae :: Tubicolae (n. pl.) A division of annelids including those which construct, and habitually live in, tubes. The head or anterior segments usually bear gills and cirri. Called also Sedentaria, and Capitibranchiata. See Serpula, and Sabella..

Asperges :: Asperges (n.) The brush or instrument used in sprinkling holy water; an aspergill.

Tectibranchiate :: Tectibranchiate (a.) Having the gills covered by the mantle; of or pertaining to the Tectibranchiata.

Pint :: Pint (n.) A measure of capacity, equal to half a quart, or four gills, -- used in liquid and dry measures. See Quart..

Tristoma :: Tristoma (n.) Any one of numerous species of trematode worms belonging to Tristoma and allied genera having a large posterior sucker and two small anterior ones. They usually have broad, thin, and disklike bodies, and are parasite on the gills and skin of fishes..

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