—n.
1 (in full magnetic compass) an instrument showing the direction of magnetic north and bearings from it.
2 (usu. in pl.) an instrument for taking measurements and describing circles, with two arms connected at one end by a movable joint.
3 a circumference or boundary.
4 area, extent; scope (e.g. of knowledge or experience) (beyond my compass).
5 the range of tones of a voice or a musical instrument.
—v.tr. literary 1 hem in.
2 grasp mentally.
3 contrive, accomplish.
4 go round.
Phrases and idioms:
compass card a circular rotating card showing the
32 principal bearings, forming the indicator of a magnetic compass. compass rose a circle of the principal directions marked on a chart. compass-saw a saw with a narrow blade, for cutting curves. compass window a bay window with a semi-circular curve.
Derivatives:
compassable adj.
Etymology: ME f. OF compas ult. f. L passus PACE(1)
Useful english dictionary. 2012.