noun. 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.

noun. See Bow-compass.

noun. See Calipers.

noun. undefined

noun. See under Proportional, etc.

noun. undefined

noun. undefined

noun. Plural form of compass.

"Verbal testimony connected his great poem of farewell and consolation, for example, “A Valediction: Forbidding Mourning” (with its famous image of the couple as “stiffe twin compasses”) with Donne’s departure for France in 1611."

caliper compasses  

compass