The Collaborative International Dictionary
Curvirostral
Curvirostral \Cur`vi*ros"tral\ (-r?s"tral), a. [L. curvus + E. rostral.] (Zo["o]l.) Having a crooked beak, as the crossbill. [1913 Webster] ||
Wiktionary
curvirostral
a. (context zoology English) Having a crooked beak