instar(redirected from instars)
Also found in: Thesaurus, Medical, Legal, Encyclopedia.
Related to instars: antennae
tr.v. in·starred, in·star·ring, in·stars
To stud with or as if with stars.
A stage of an insect or other arthropod between one molt and the next.
[New Latin īnstar, from Latin, image, form.]
(Zoology) the stage in the development of an insect between any two moults
[C19: New Latin from Latin: image]
an insect or other arthropod in any stage between molts.
[1890–95; < New Latin; Latin īnstar equivalent, counterpart]