Having a fine mixture of black and white: a salt-and-pepper beard. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "salt-and-pepper" in a sentence
""I'm not hung up on that number," says Burton, whose tousled salt-and-pepper hair and red cheeks are evidence of the morning snowboard run from which he's just returned."
"He wore a military uniform and sported a salt-and-pepper buzz cut."
"She was in her early fifties, Lucy would guess, but her salt-and-pepper hair and a few extra pounds made her look a bit older."