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A discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks; a water plug.

One of the nutritive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea.

ails or beams fixed overhead, as in a machine shop or foundry. -- Water crane, a kind of hydrant with a long swinging spout, for filling locomotive tenders, water carts, etc., with water.

veying fire, especially the receptacle for the priming of a gun. -- Fire plug, a plug or hydrant for drawing water from the main pipes in a street, building, etc., for extinguishing fires. -- Fire policy, the writing or instrument expressing the contract of insurance against loss by fire. -- Fire pot. (a) (Mil.) A s…

st smoke of arctic winters. Kane. -- Frost valve, a valve to drain the portion of a pipe, hydrant, pump, etc., where water would be liable to freeze. -- Jack Frost, a popular personification of frost.

ubber, or other material, and used for conveying fluids, especially water, from a faucet, hydrant, or fire engine. Hose carriage, cart, or truck, a wheeled vehicle fitted for conveying hose for extinguishing fires. -- Hose company, a company of men appointed to bring and manage hose in the extinguishing of fires. [U.S…

One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of Hydroidea, and Campanularian.

The quality of having similar sexual zooids or gonophores and dissimilar hydrants; -- said of certain hydroids.

A block of wood let into a wall, to afford a hold for nails. Fire plug, a street hydrant to which hose may be attached. [U. S.] -- Hawse plug (Naut.), a plug to stop a hawse hole. -- Plug and feather. (Stone Working) See Feather, n., 7. -- Plug centerbit, a centerbit ending in a small cylinder instead of a point, so…

One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian.

A vertical pipe, open at the top, between a hydrant and a reservoir, to equalize the flow of water; also, a large vertical pipe, near a pumping engine, into which water is forced up, so as to give it sufficient head to rise to the required level at a distance.

The chitinous cup which protects the hydranths of certain hydroids.

A division of hydroids comprising those which have the hydranths in thecæ and the gonophores in capsules. The campanularians and sertularians are examples. Called also Thecata. See Illust. under Hydroidea.

A genus of hydroids having large, naked, flowerlike hydranths at the summits of long, slender, usually simple, stems. The gonophores are small, and form clusters at the bases of the outer tentacles.