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Definition of crossbill
crossbill
/ˈkrɔːs.bɪl/
cross · bill
Plural:crossbills
crossbill Lexical Profile
CEFR
C2
Grade
9
Tier
3
Usage
Rare
crossbill Game Scores & Validity
Scrabble US
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WWF
Wordle Guess
• noun
1
Any of several finches of the genus Loxia, native to coniferous forests of the Northern Hemisphere, characterized by mandibles that cross at the tips, which are uniquely adapted for extracting seeds from conifer cones.
Example
"The researcher observed a flock of red crossbills efficiently prying open pine cones in the dense boreal forest."
Synonyms
View all synonyms for crossbill• Nearby Words
Word Origin & Etymology
Late 16th century: literally from 'cross' + 'bill', referring directly to the physical characteristic of the bird's distinctly crossed mandibles.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Crossbill. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/crossbill