- vernier⇄adj. furnished with a vernier.
Ex. a vernier caliper, compass, or transit. - vernier⇄noun 1. a small movable scale for measuring a fractional part of one of the divisions of the fixed scale of astronomical, surveying, or other mathematical instruments to which it is attached; vernier scale.
2. an auxiliary device used to obtain fi - vernier⇄vernier, noun, adjective.