- instar⇄instar (1), transitive verb, -starred,-starring.
1. to place in the sky as a star.
Ex. Jove instarred Castor and Pollux after Castor's death.
2. to set with stars or with anything suggesting stars.
Ex. a bracelet instarred with di - instar⇄instar (2), noun.
the particular stage of an insect or other arthropod between moltings.