TRIANGULAR a.
as, a triangular seed, leaf, or stem. Triangular compasses, compasses with three legs for taking off the angular points of a triangle, or any three points at the same time. -- Triangular crab (Zoöl.), any maioid crab; -- so called because the carapace is usually triangular. -- Triangular numbers (Math.), the series o…
UNDER prep.
(Mil.) Provided with, or sheltered in, tents. -- Under fire, exposed to an enemy's fire; taking part in a battle or general engagement. -- Under foot. See under Foot, n. -- Under ground, below the surface of the ground. -- Under one's signature, with one's signature or name subscribed; attested or confirmed by one'…