verb (used with object), in·starred, in·star·ring.
Origin of instar2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the stage in the development of an insect between any two moults
Word Origin for instar
C19: New Latin from Latin: image
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Any of the successive nymphal stages in the metamorphosis of insects or the stages of larval change by successive molts.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.