singles -- (badminton played with one person on each side)
singles -- (tennis played with one person on each side)
Overview of noun single
The noun single has 2 senses
single, bingle -- (a base hit on which the batter stops safely at first base)
one, 1, I, ace, single, unity -- (the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch at one")
Overview of verb single
The verb single has 1 sense
single -- (hit a single; "the batter singled to left field")