singles (Noun) — Badminton played with one person on each side.
singles (Noun) — Tennis played with one person on each side.
singles (Noun) — A base hit on which the batter stops safely at first base.
singles (Noun) — The smallest whole number or a numeral representing this number. ex. "he has the single but will need a two and three to go with it"
singles (Noun) — A piece of paper money worth one dollar.
singles (Noun) — A popular song released and sold (on any format) on its own; a featured song with some others.
singles (Noun) — A one-way ticket.
singles (Noun) — A room (e.g. in a hotel) for one person. ex. "Do you have a single for tonight?"
singles (Verb) — (baseball) hit a single. ex. "the batter singled to left field"