Merriam-Webster's Collegiate® Dictionary, 11th Edition
MORGAN
I. noun
Etymology: Justin morgan died 1798 American teacher
Date: 1841
any of an American breed of light strong horses originated in Vermont from the progeny of one prepotent stallion of uncertain ancestry,
II. biographical name Daniel 1736-1802 American general in Revolution,
III. biographical name Sir Henry 1635-1688 English buccaneer,
IV. biographical name John Hunt 1825-1864 American Confederate cavalry officer,
V. biographical name J(ohn), V
I. biographical name J(ohn) P(ierpont) Jr. 1867-1943 son of J.P. American financier, V
II. biographical name Thomas Hunt 1866-1945 American geneticist, V
III. biographical name William Wilson 1906-1994 American astronomer