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whitecoat

American  
[hwahyt-koht, wahyt-] / ˈʰwaɪtˌkoʊt, ˈwaɪt- /

noun

  1. a baby seal, usually less than four weeks old and still having its initial white fur.

Etymology

Origin of whitecoat

First recorded in 1545–55; white + coat

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.