a close-fitting, sleeveless article of clothing worn under a jacket, especially as part of a man's suit
underwear
Cases of word usage
1) to satisfy the needs of (a person, situation etc); be convenient to or right for (a person, thing); a set of articles of outer clothing of the same material (jacket, waistcoat and trousers; lawsuit; any of the four sets of playing-cards (spades, hearts, diamonds, clubs) (suit)