Webster's Revised Unabridged Dictionary · 1913

Detachment

Detachment , noun

[Compare French détachement.]

1.
The act of detaching or separating, or the state of being detached.
2.
That which is detached; especially, a body of troops or part of a fleet sent from the main body on special service.
Troops... widely scattered in little detachments. — Bancroft
3.
Abstraction from worldly objects; renunciation.
A trial which would have demanded of him a most heroic faith and the detachment of a saint. — J. H. Newman