Meaning of pit scale

pit' scale"

Pronunciation: [key]
  1. any of various small oval-shaped homopterous insects of the family Asterolecaniidae, the female members of which have their bodies embedded in a waxy mass, as in the destructive Cerococcus quercusoror covered with a waxy film.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.