Compasses /(?)/

Com·pass·es

Compasses

n.
  1. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move.

Phrases & Compounds

Bow compasses
See Bow-compass.
Caliber compasses
See Calipers.
Proportional, Triangular, etc., compasses
See under Proportional, Triangular, etc.