under·shirt [undershirtundershirts] BrE [ˈʌndəʃɜːt] NAmE [ˈʌndərʃɜːrt] (NAmE) (BrE vest) noun a piece of underwear worn under a shirt, etc. next to the skin compare ↑singlet See also: ↑vest
Example Bank: •He was standing there in his undershirt and shorts.