معنی کلمه :‌ compasses

(a) chancel screen or rood screen. (b) gallery above such a screen, from which certain parts of the service were formerly read. See Rood loft, under Rood.

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.