Definition of compass:
a magnetic or electronic device used to determine the cardinal directions (usually magnetic north
); a pair of compasses
(a device used with a pencil to draw an arc or circle on paper)
"1658, Near the same plot of ground, for about six yards compasse were digged up coals and incinerated substances -- Sir Thomas Browne, Urne-Burial (Penguin 2005, p. 9)"