Lack·ey n.; pl. Lackeys An attending male servant; a footman; a servile follower.
Like a Christian footboy or a gentleman's lackey. --Shak.
Lackey caterpillar Zool., the caterpillar, or larva, of any bombycid moth of the genus Clisiocampa; -- so called from its party-colored markings. The common European species (Clisiocampa neustria) is striped with blue, yellow, and red, with a white line on the back. The American species (Clisiocampa Americana and Clisiocampa sylvatica) are commonly called tent caterpillars. See Tent caterpillar, under Tent.
Lackey moth Zool., the moth which produces the lackey caterpillar.