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Jet black. "Bugle eyeballs." Shak.

l of a calabash or gourd. Calabash tree. (Bot.), a tree of tropical America (Crescentia cujete), producing a large gourdike fruit, containing a purgative pulp. Its hard shell, after the removal of the pulp, is used for cups, bottles, etc. The African calabash tree is the baobab.

As black as coal; jet black; very black. Dryden.

white as snow; though they be red like crimson, they shall be as wool. Is. i. 18. A maid jet rosed over with the virgin crimson of modesty. Shak.

A jet or current of water or vapor directed upon some part of the body to benefit it medicinally; a douche bath.

A contrivance for temporarily lowering a gas jet.

o as to make it rebound repeatedly from the surface of the water, raising a succession of jets; hence: To play at ducks and drakes, with property, to throw it away heedlessly or squander it foolishly and unprofitably. -- Lame duck. See under Lame.

A jet jump for lifting water or withdrawing air from a space. Ejector condenser (Steam Engine), a condenser in which the vacuum is maintained by a jet pump.

ramparts, and making parapets; also in revetments for river banks, and in mats for dams, jetties, etc.

Goods lost by shipwreck, and floating on the sea; -- in distinction from jetsam or jetson. Blackstone.

An artificially produced jet or stream of water; also, the structure or works in which such a jet or stream rises or flows; a basin built and constantly supplied with pure water for drinking and other useful purposes, or for ornament.

The jet piece of a gas fixture where the gas is burned as it escapes from one or more minute orifices.

A gas jet or burner.

process of passing cotton goods between two rollers and exposing them to numerous minute jets of gas to burn off the small fibers; any similar process of singeing.

Jet. [Obs.] Chaucer.

Jet, the mineral. [Obs.] Chaucer.

A boiling spring which throws forth at frequent intervals jets of water, mud, etc., driven up by the expansive power of steam.

A tree (the Crescentia Cujete, or calabash tree) of the West Indies and Central America.

In California, a water wheel with radial buckets, driven by the impact of a jet.

order to remove ammonia. -- Hydraulic mining, a system of mining in which the force of a jet of water is used to wash down a bank of gold-bearing gravel or earth. [Pacific Coast] -- Hydraulic press, a hydrostatic press. See under Hydrostatic. -- Hydraulic propeller, a device for propelling ships by means of a stream…