plural of prover

One who or that which proves. / A person, device, or program that performs logical or mathematical proofs.

plural of linen prover

A small microscope for counting the threads in a given space in linen fabrics.

(aviation) Describing the tendency of a plane to roll in the same direction as yaw. / Favourable; in line with one's interests or desires. / In the typical or canonical direction, order, or orientation.