instar 1
/in"stahr/ , n.
an insect in any one of its periods of postembryonic growth between molts.
[ 1890-95; instar equivalent, counterpart ]
instar 2
/in stahr"/ , v.t., instarred, instarring .
1. to set with or as if with stars.
2. Archaic.
a. to place as a star.
b. to make a star of.
[ 1585-95; IN- 1 + STAR ]