Square
Of hand tool.
A hand tool consisting of two straight arms at right angles; used to construct or test right angles; "the carpenter who built this room must have lost his square".
This concept's ID is @1~23610
Contains
- try square
A square having a metal ruler set at right angles to another straight piece.
- T-square
A square used by draftsmen to draw parallel lines.
- carpenter's square
A steel square used by carpenters; larger than a try square.