Added 9 October 2026 morgan /ˈmɔɹɡən/ noun Categories: PeopleAnimalsEveryday Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about morgan at Wordnik → Where our words come from → United States anthropologist who studied the Seneca (1818-1881). United States biologist who formulated the chromosome theory of heredity (1866-1945). A Welsh buccaneer who raided Spanish colonies in the West Indies for the English (1635-1688). Origin Named for Thomas Hunt Morgan. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: pickhogansergeantthomasmorganabelmontmacleod Back to today's word