The Collaborative International Dictionary
Spittle insect
Spittle \Spit"tle\, n. [From Spit to eject from the mouth: cf. Spattle, and AS. sp[=a]tl.] The thick, moist matter which is secreted by the salivary glands; saliva; spit.
Spittle insect. (Zo["o]l.) See Cuckoo spit (b), under Cuckoo.
WordNet
spittle insect
n. small leaping herbivorous insect that lives in a mass of protective froth which it and its larvae secrete [syn: spittlebug]