a person, such as a scientist or doctor, who wears a white coat
whitecoat in American English
(ˈhwaitˌkout, ˈwait-)
noun
a baby seal, usually less than four weeks old and still having its initial white fur
Word origin
[1545–55; white + coat]This word is first recorded in the period 1545–55. Other words that entered Englishat around the same time include: articulate, offset, rounding, species, spiral