Webster’s Revised Unabridged Dictionary · 1913
Try-square
Try′-square′ (trī′skwâr′), n. An instrument used by carpenters, joiners, etc., for laying off right angles off right angles, and testing whether work is square.
Webster’s Revised Unabridged Dictionary · 1913
Try′-square′ (trī′skwâr′), n. An instrument used by carpenters, joiners, etc., for laying off right angles off right angles, and testing whether work is square.