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Crossbill

//ˈkɹɒsbɪl// noun

Noun

1
Any of various finches of the genus Loxia, whose bill crosses over at the tips; they are specialist feeders on conifer cones.
2
finch with a bill whose tips cross when closed wordnet
3
A bill brought by a defendant, in an equity or chancery suit, against the plaintiff, respecting the matter in question in that suit.
"he not having the money ready[…] filed a bill for a specific performance, evidently to gain time. The vendors filed a crossbill; and afterwards the purchaser became a bankrupt"

From cross + bill.

Unscramble this word: crossbill