transitive. To establish or mark out a line or distance of (a definite length). Frequently with off, out.

transitive. To measure off (a length or line) using a pair of compasses or some similar instrument.

To mark or measure off (a certain distance) on a surface; to lay off (the lines of a ship).

transitive. To measure off; to determine or mark the position of; to take (a measurement) from a chart, plan, etc. Cf. sense 73c.