To save this word, you'll need to log in.
Definition of European winter moth
: a European geometrid moth (Operophtera brumata) introduced in parts of Nova Scotia and having a looper larva very destructive as a defoliator of fruit and other deciduous trees
Test Your Vocabulary
Semantic Drift Quiz
- Which of the following was once a synonym for fun?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share European winter moth