• Undershorts

    Origin

    - + shorts, by analogy with underpants, etc.

    Full definition of undershorts

    Noun

    undershorts

    (plural only)
    1. Underpants, type of underwear worn in skin contact with the hip portion of the body, small enough to be worn invisibly under shorts.I have one clean pair of undershorts.I have to buy more undershorts.
    © Wiktionary