Buceros is a genus of large Asian hornbills (family Bucerotidae). Species included in the genus are: The helmeted hornbill is sometimes included in this genus, but today most authorities place it in the monotypic Rhinoplax instead. ... Found on http://en.wikipedia.org/wiki/Buceros
Bu'ce·ros noun [ Greek boy`kerws horned like an ox; boy^s ox + ke`ras horn.] (Zoology) A genus of large perching birds; the hornbills. Found on http://www.encyclo.co.uk/webster/B/107