noun
A group of separate things that contribute to a coordinated whole.
(fashion) A coordinated costume or outfit; a suit.
(collective) A group of musicians, dancers, actors, etc who perform together; e.g. the chorus of a ballet company.
(music) A piece for several instrumentalists or vocalists.
(mathematics, physics) A probability distribution for the state of the system.
(machine learning) A supervised learning algorithm combining multiple hypotheses.
verb
To put together in a coordinated whole.
(music) To perform in a musical ensemble.