of, noting, or engaged in the checking of hats, coats, umbrellas, etc., into temporary safekeeping: a hatcheck girl.
used in checking of hats, coats, etc.: a hatcheck room.

Origin of hatcheck

1915–20; hat + check1 (in the sense of “a ticket or token of ownership of an article left in the temporary custody of another”)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019