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A triad; trinity. [R.] A single trine of brazen tortoises. Mrs. Browning. Eternal One, Almighty Trine! Keble.

ith a soft leathery skin. They are noted for their agility and rapacity. Called also soft tortoise, soft-shell tortoise, and mud turtle.

A variety of anhydrite composed of contorted plates fancied to resemble pieces of tripe.

e form of a small tube; provided with a tube, or elongated opening. Tubulated bottle or retort (Chem.), a bottle or retort having a stoppered opening for the introduction or removal of materials.

a tube, or of providing with a tube; also, a tube or tubulure; as, the tubulation of a retort.

A short tubular opening at the top of a retort, or at the top or side of a bottle; a tubulation.

To play tricks by various movements and contortions of the body; to perform the feats of an acrobat. Rowe. To tumble home (Naut.), to incline inward, as the sides of a vessel, above the bends or extreme breadth; -- used esp. in the phrase tumbling home. Cf. Wall-sided.

(c) To give an upward curve to; to tilt; as, to turn up the nose. -- To turn upon, to retort; to throw back; as, to turn the arguments of an opponent upon himself. -- To turn upside down, to confuse by putting things awry; to throw into disorder. This house is turned upside down since Robin Ostler died. Shak.…

A land tortoise. [Obs.]

Cypræa testudinaria); the turtle-shell; so called because of its fancied resemblance to a tortoise in color and form. -- Turtle grass (Bot.), a marine plant (Thalassia testudinum) with grasslike leaves, common about the West Indies. -- Turtle shell, tortoise shell. See under Tortoise.

One who catches turtles or tortoises. "The Jamaica turtlers." Dampier.

To contort; to writhe; to complicate; to crook spirally; to convolve. Twist it into a serpentine form. Pope.

Contorted; crooked spirally; subjected to torsion; hence, perverted. Twisted curve (Geom.), a curve of double curvature. See Plane curve, under Curve. -- Twisted surface (Geom.), a surface described by a straight line moving according to any law whatever, yet so that the consecutive positions of the line shall not be…

Crooked; tortuous; hence, perverse; unfair; dishonest. [Slang, U. S.] Bartlett.

osphere to apply the brakes. -- Vacuum pan (Technol.), a kind of large closed metallic retort used in sugar making for boiling down sirup. It is so connected with an exhausting apparatus that a partial vacuum is formed within. This allows the evaporation and concentration to take place at a lower atmospheric pressure…

Fig.: One who lives by preying on others; an extortioner; a bloodsucker.

Fig.: The practice of extortion. Carlyle.

later in life the whorls become separate, and the shell is often irregularly bent and contorted like a worm tube.

sed of interlaced grass and other similar materials. In some of the species the nest is retort-shaped, with the opening at the bottom of the tube. -- Weavers' shuttle (Zoöl.), an East Indian marine univalve shell (Radius volva); -- so called from its shape. See Illust. of Shuttle shell, under Shuttle.…

An instrument of torture formerly used. His examination is like that which is made by the rack and wheel. Addison.