Also found in: Thesaurus.
Related to arctiid: woolly bear caterpillar
(Zoology) any moth of the family Arctiidae, which includes the footman, ermine, and tiger moths
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|Noun||1.||arctiid - stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars|
moth - typically crepuscular or nocturnal insect having a stout body and feathery or hairlike antennae
tiger moth - medium-sized moth with long richly colored and intricately patterned wings; larvae are called woolly bears