English regional. (a) Any of various small moths with white or white-marked wings; (b) the garden tiger moth, Arctia caja. Cf. owl moth n. at…

Short for tiger-moth n., tiger-shark n., tiger-snake n., tiger-wolf n. at compounds 2a, etc.

a moth of the family Arctiidæ, esp. the British species Arctia caja, a large scarlet and brown moth spotted and streaked with white.