combinations

(form-of, plural) plural of combination
A one-piece form of underwear, being a combination of a vest or chemise and underpants.

(countable, uncountable) The act of combining, the state of being combined or the result of combining.
(countable, uncountable) An object formed by combining.
(countable, uncountable) A sequence of numbers or letters used to open a combination lock.
(countable, uncountable) One or more elements selected from a set without regard to the order of selection.
(countable, uncountable) An association or alliance of people for some common purpose.
(countable, uncountable) A shot where the cue ball hits a ball that strikes another ball on the table.
(countable, uncountable) A motorcycle and sidecar.
(countable, uncountable) A rapid sequence of punches or strikes in boxing or other combat sports.
(countable, uncountable) An advantageous sequence of forcing or nearly forcing moves, often initiated with a sacrifice.