Webster’s Revised Unabridged Dictionary · 1913
Dertrotheca
Der′tro·the′ca (dẽr′trō·thē′kȧ), n. [NL., fr. Gr. δέρτρον beak + θήκη box, case.] (Zoöl.) The horny covering of the end of the bill of birds.
Webster’s Revised Unabridged Dictionary · 1913
Der′tro·the′ca (dẽr′trō·thē′kȧ), n. [NL., fr. Gr. δέρτρον beak + θήκη box, case.] (Zoöl.) The horny covering of the end of the bill of birds.