transitive. To make an adjustment or correction to (an instrument or apparatus). Also in figurative context.

transitive. To calibrate, adjust, or control (a timepiece or other mechanism) in order to ensure accurate or proper working.

transferred. To set (a machine, etc.) in order for accurate working (local); to adjust. In modern use, to adjust (an engine or part) to improve…

transitive. To make true (true, adj. 6a); to give the precise required form or position to; to make straight, level, round, etc., to the desired…

transitive. To bring into correct position or alignment. Cf. truth, n. 11, true, v. 2. Obsolete.

To give the requisite adjustment, alignment, or shape to (a mechanical contrivance, an instrument, etc.). (Cf. set, n.1 33.)