Orca

From Latin

Orca f

1. (archaic) A taxonomic genus within the family Delphinidae – replaced by Orcinus and Orcaella.

• Orcaella (snubfin dolphins)
• Orcinus (orca)

• William Dwight Whitney, Benjamin Eli Smith, editors ((Can we date this quote?)), “Orca”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• Orca on Wikipedia.Wikipedia

From orca (“tun; killer whale”).

(Classical Latin) IPA(key): [ˈɔr.ka]

• (modern Italianate Ecclesiastical) IPA^(key): [ˈɔr.ka]

Orca m sg (genitive Orcae); first declension

1. A Roman cognomen — famously held by:
   1. Quintus Valerius Orca, a Roman praetor

First-declension noun, singular only.