ep·i·the·ma
| \ ˌepəˈthēmə, ə̇ˈpithəmə \
plural epithemata\
-thēmətə , -them-
\
Definition of epithema
: a horny excrescence on the bill of some birds (such as the casque of a hornbill)
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Merriam-Webster unabridged
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