spittlebug definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a family (Cercopidae) of small, leaping homopteran insects whose nymphs produce white frothy masses on plants
spittlebug definition by American Heritage Dictionary
Any of various leaping, homopterous insects of the family Cercopidae, the nymphs of which form frothy masses of liquid on plant stems. Also called froghopper, spittle insect.