The Collaborative International Dictionary
Drinker moth
Drinker \Drink"er\, n. One who drinks; as, the effects of tea on the drinker; also, one who drinks spirituous liquors to excess; a drunkard.
Drinker moth (Zo["o]l.), a large British moth ( Odonestis potatoria).
Wiktionary
drinker moth
n. A large British moth (''Odonestis potatoria'').