n. [ Maori tuatàra; tua on the farther side (the back) + tara spine. ] (Zool.) A large iguanalike reptile (Sphenodon punctatum) formerly common in New Zealand, but by 1900 confined to certain islets near the coast. It reaches a length of two and a half feet, is dark olive-green with small white or yellowish specks on the sides, and has yellow spines along the back, except on the neck. It is the only surviving member of the order Rhyncocephala. Also called tuatera and hatteria. [ Webster 1913 Suppl. +PJC ]

n. Same as tuatara. [ 1913 Webster ]

n. [ OE. tubbe; of Dutch or Low German origin; cf. LG. tubbe, D. tobbe. ] 1. An open wooden vessel formed with staves, bottom, and hoops; a kind of short cask, half barrel, or firkin, usually with but one head, -- used for various purposes. [ 1913 Webster ]

2. The amount which a tub contains, as a measure of quantity; as, a tub of butter; a tub of camphor, which is about 1 cwt., etc. [ 1913 Webster ]

3. Any structure shaped like a tub: as, a certain old form of pulpit; a short, broad boat, etc., -- often used jocosely or opprobriously. [ 1913 Webster ]

All being took up and busied, some in pulpits and some in tubs, in the grand work of preaching and holding forth. South. [ 1913 Webster ]

4. A sweating in a tub; a tub fast. [ Obs. ] Shak. [ 1913 Webster ]

5. A small cask; as, a tub of gin. [ 1913 Webster ]

6. A box or bucket in which coal or ore is sent up a shaft; -- so called by miners. [ 1913 Webster ]

Tub fast, an old mode of treatment for the venereal disease, by sweating in a close place, or tub, and fasting. [ Obs. ] Shak. --
Tub wheel, a horizontal water wheel, usually in the form of a short cylinder, to the circumference of which spiral vanes or floats, placed radially, are attached, turned by the impact of one or more streams of water, conducted so as to strike against the floats in the direction of a tangent to the cylinder. [ 1913 Webster ]

v. t. [ imp. & p. p. Tubbed p. pr. & vb. n. Tubbing. ] To plant or set in a tub; as, to tub a plant. [ 1913 Webster ]

v. i. To make use of a bathing tub; to lie or be in a bath; to bathe. [ Colloq. ] [ 1913 Webster ]

Don't we all tub in England ? London Spectator. [ 1913 Webster ]

n. [ L., trumpet. ] (Mus.) (a) An ancient trumpet. (b) A sax-tuba. See Sax-tuba. [ 1913 Webster ]

a. Of or pertaining to a tube; specifically, of or pertaining to one of the Fallopian tubes; as, tubal pregnancy. [ 1913 Webster ]

n. 1. The forming of a tub; also, collectively, materials for tubs. [ 1913 Webster ]

2. A lining of timber or metal around the shaft of a mine; especially, a series of cast-iron cylinders bolted together, used to enable those who sink a shaft to penetrate quicksand, water, etc., with safety. [ 1913 Webster ]

a. Resembling a tub; specifically sounding dull and without resonance, like a tub; wanting elasticity or freedom of sound; as, a tubby violin. [ 1913 Webster ]

n. [ L. tubus; akin to tuba a trumpet: cf F. tube. ] 1. A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe. [ 1913 Webster ]

2. A telescope. “Glazed optic tube.” Milton. [ 1913 Webster ]

3. A vessel in animal bodies or plants, which conveys a fluid or other substance. [ 1913 Webster ]

4. (Bot.) The narrow, hollow part of a gamopetalous corolla. [ 1913 Webster ]

5. (Gun.) A priming tube, or friction primer. See under Priming, and Friction. [ 1913 Webster ]

6. (Steam Boilers) A small pipe forming part of the boiler, containing water and surrounded by flame or hot gases, or else surrounded by water and forming a flue for the gases to pass through. [ 1913 Webster ]

7. (Zool.) (a) A more or less cylindrical, and often spiral, case secreted or constructed by many annelids, crustaceans, insects, and other animals, for protection or concealment. See Illust. of Tubeworm. (b) One of the siphons of a bivalve mollusk. [ 1913 Webster ]

8. (Elec. Railways) A tunnel for a tube railway; also (Colloq.), a tube railway; a subway. [ Chiefly Eng. ] In the New York area, the subways running under the Hudson River are sometimes referred to as the tube. [ Webster 1913 Suppl. +PJC ]

Capillary tube, a tube of very fine bore. See Capillary. --
Fire tube (Steam Boilers), a tube which forms a flue. --
Tube coral. (Zool.) Same as Tubipore. --
Tube foot (Zool.), one of the ambulacral suckers of an echinoderm. --
Tube plate, or
Tube sheet (Steam Boilers), a flue plate. See under Flue. --
Tube pouch (Mil.), a pouch containing priming tubes. --
Tube spinner (Zool.), any one of various species of spiders that construct tubelike webs. They belong to Tegenaria, Agelena, and allied genera. --
Water tube (Steam Boilers), a tube containing water and surrounded by flame or hot gases. [ 1913 Webster ]