Clipping of quadrat. • A blank metal block used to fill short lines of type. • A joke used to fill long days of setting type. • A keyboard command which aligns text with the left or right margin, or centred between them. In combination, as quad left, quad right, or quad centre. • A quadrangle (quadrangular courtyard). • A horse, from colloquial or humorous quadruped specifically for horse. • Something that is quadruple (four times) the usual amount, number, etc. • A poster advertising a cinematic film release, measuring forty by thirty inches, four times the area of crown paper. • A quadruple, a jump with four revolutions in the air. • A serving of four shots of espresso; (attributive) containing four shots of espresso. • A skate with four wheels. • Clipping of quadruplet (“a set of four; one of a set of four”). • A group of four insulated wires twisted together to form two circuits of two wires each. • A quad antenna, a directional radio antenna consisting of multiple loop antennas. • A quadruplet, one of four babies born during the same birth. • A kind of round-robin tournament between four players, where each participant plays every other participant once. • The Bible, Book of Mormon, Doctrine and Covenants, and Pearl of Great Price bound in a single volume. • Of or relating to quads (four of a kind). • The quadriceps muscle. • Quadruplex videotape. • A quadriplegic person. • A unit of energy equivalent to a quadrillion BTU (10¹⁵ BTU). • A small off-road four-wheeled powered vehicle, usually used for recreation or farm work. • A quadrilateral. • A quadcopter. • A quadrupel beer.