Capable of being compassed or accomplished.

plural of compasser

(nautical) To know, and demonstrate by reciting, the 32 points and quarter points of the magnetic compass from North or East, both clockwise and anticlockwise.

plural of pair of compasses

Any of the horizontal directions indicated on a compass. There may be 4, 8, 16, 32, 64, or even 128 compass points on a compass, depending on its size and accuracy.

(nautical) The process of swinging and compensating a ship or aircraft compass by determining and reducing the deviation coefficients and recording the residual deviations; now done by computer.

A tool for drawing accurate circles or arches, usually consisting of two arms joined at one end in such a way that the arms can be opened and closed; one of the arms is pointed at its free end while the other holds a pencil, pencil lead or some other implement for making marks.

(nautical) A compass installed in the cabin so that the captain or other officer may check the course of a ship without going to the deck; often upturned and suspended from the ceiling.

A gyrocompass.

(navigation) A graduated circle, usually marked in degrees, indicating directions and printed or inscribed on an appropriate medium.