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Meaning of grylloblattid

gryl•lo•blat•tid

Pronunciation: (gril"ō-blat'id), [key]
— n.
  1. a primitive insect of the order Grylloblattidea, having a soft, unpigmented wingless body with long antennae and no eyes, living under stones in moderately high mountains of the western U.S., Japan, and the U.S.S.R.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.