combination square

combination square

[‚käm·bə′nā·shən ¦skwer] (design engineering) A square head and steel rule that when used together have both a 45° and 90° face to allow the testing of the accuracy of two surfaces intended to have these angles.

combination square

combination square An adjustable carpenter’s tool consisting of a steel rule which slides through an adjustable head; may be used as a try square, miter square, level, marking gauge, plumb, and straightedge.