one-suiter

[ wuhn-soo-ter ]
/ ˈwʌnˈsu tər /

noun

a piece of luggage designed to hold one suit and other smaller items, as underwear or socks.

Origin of one-suiter

1960–65, Americanism; one suit + -er1
Also called single-suiter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019