• Webster's Revised Unabridged Dictionary
    • a Curvirostral (Zoöl) Having a crooked beak, as the crossbill.
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Century Dictionary and Cyclopedia
    • curvirostral In general, having a decurved bill, as a curlew or creeper.
    • curvirostral Specifically, having a crooked, cruciate bill, as the crossbills; metagnathous. See cut under crossbill.
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Chambers's Twentieth Century Dictionary
    • Curvirostral with the bill curved downward
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Webster's Revised Unabridged Dictionary
L. curvus, + E. rostral,
Chambers's Twentieth Century Dictionary
L. curvus, crooked.