What is Compass?

Compass definition and meaning on Dictionary terms:
an instrument for determining directions, as by means of a freely rotating magnetized needle that indicates magnetic north.
the enclosing line or limits of any area; perimeter: You can find anything you want downtown within the compass of ten square blocks.
space within limits; area; extent; range; scope: the narrow compass of the strait; the broad compass of the novel.

Also called range. the total range of tones of a voice or of a musical instrument.
due or proper limits; moderate bounds: Their behavior stayed within the compass of propriety.
a passing round; circuit: the compass of a year.
Often compasses. an instrument for drawing or describing circles, measuring distances, etc., consisting generally of two movable, rigid legs hinged to each other at one end (usually used with pair of): to spread the legs of a compass and draw a larger circle.
(initial capital letter) Astronomy. Also called Mariner’s Compass. the constellation Pyxis.Compasses, the constellation Circinus.

curved; forming a curve or arc: a compass timber; compass roof.

verb (used with object)
to go or move round; make the circuit of: It would take a week to compass his property on foot.
to extend or stretch around; hem in; surround; encircle: An old stone wall compasses their property.

to attain or achieve; accomplish; obtain.
to contrive; plot; scheme: to compass a treacherous plan.
to make curved or circular.
to comprehend; to grasp, as with the mind: His mind could not compass the extent of the disaster.