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To dig or cultivate very deeply, usually by digging parallel contiguous trenches in succession, filling each from the next; as, to trench a garden for certain crops.

s usually triangular. -- Triangular numbers (Math.), the series of numbers formed by the successive sums of the terms of an arithmetical progression, of which the first term and the common difference are 1. See Figurate numbers, under Figurate.

A sound, of consonantal character, made with a rapid succession of partial or entire intermissions, by the vibration of some one part of the organs in the mouth -- tongue, uvula, epiglottis, or lip -- against another part; as, the r is a trill in most languages.

engine, a compound steam engine in which the same steam performs work in three cylinders successively. -- Triple measure (Mus.), a measure of tree beats of which first only is accented. -- Triple ratio (Math.), a ratio which is equal to 3. -- Triple salt (Chem.), a salt containing three distinct basic atoms as radi…

ave taken the mathematical honors. C. A. Bristed. -- Tripos paper, a printed list of the successful candidates for mathematical honors, accompanied by a piece in Latin verse. There are two of these, designed to commemorate the two tripos days. The first contains the names of the wranglers and senior optimes, and the s…

A state of joy or exultation for success. Great triumph and rejoicing was in heaven. Milton. Hercules from Spain Arrived in triumph, from Geryon slain. Dryden.

A token of victory. [Obs.] Joyless triumphals of his hoped success. Milton.

Rejoicing for victory; triumphing; exultant. Successful beyond hope to lead ye forth Triumphant out of this infernal pit. Milton.

To sing the parts of in succession, as of a round, a catch, and the like; also, to sing loudly or freely. Will you troll the catch Shak. His sonnets charmed the attentive crowd, By wide-mouthed mortaltrolled aloud. Hudibras.

, insane, or the like; to infatuate; to overthrow the reason or judgment of; as, a little success turned his head. -- To turn the scale or balance, to change the preponderance; to decide or determine something doubtful. -- To turn the stomach of, to nauseate; to sicken. -- To turn the tables, to reverse the chances…

.), a vertical cylindrical revolving tool holder for bringing different tools into action successively in a machine, as in a lathe. -- Turret lathe, a turning lathe having a turret head. -- Turret ship, an ironclad war vessel, with low sides, on which heavy guns are mounted within one or more iron turrets, which may…

and under three or more, warp threads, instead of over one and under the next in regular succession, as in plain weaving.

To make a succession of small, tremulous, intermitted noises. The swallow twittering from the straw-built shed. Gray.

Moving in the manner of undulations, or waves; resembling the motion of waves, which successively rise or swell rise or swell and fall; pertaining to a propagated alternating motion, similar to that of waves. Undulatory theory, or Wave theory (of light) (Opt.), that theory which regards its various phenomena as due to…

ed or close; to lay open to view or contemplation; to bring out in all the details, or by successive development; to display; to disclose; to reveal; to elucidate; to explain; as, to unfold one's designs; to unfold the principles of a science. Unfold the passion of my love. Shak.

Not hoped or expected. "With unhoped success." Dryden. Blessings of friends, which to my door Unasked, unhoped, have come. J. N. Newman.

hemselves alone. Holland. In the cup an union shall he throw, Richer than that which four successive kings In Denmark's crown have worn. Shak.

Not holding out a prospect of success; likely to fail; unpromising; as, unlikely means. Hooker.

Not observed or foreseen; unexpected; -- generally with for. "Unlooked success." Denham. She comes unlooked for, if she comes at all. Pope.

Not lucky; not successful; unfortunate; ill-fated; unhappy; as, an unlucky man; an unlucky adventure; an unlucky throw of dice; an unlucky game.