Meaning

noun United States anthropologist who studied the Seneca (1818-1881)

noun United States biologist who formulated the chromosome theory of heredity (1866-1945)

noun a Welsh buccaneer who raided Spanish colonies in the West Indies for the English (1635-1688)

originfrom Old Welsh Morcant, possibly from *mor (“sea”) (Welsh môr) or *mọr (“great”) (Old Welsh maur) + *kantos (“circle”) (Welsh cant), meaning “great chief” or “sea chief”.

Etymology from Wiktionary, CC BY-SA 3.0