(1):
(n.) See Offset, 7.
(2):
(n.) Same as Offset, n., 4.
(3):
(n.) A counterclaim; a cross debt or demand; a distinct claim filed or set up by the defendant against the plaintiff's demand.
(4):
(n.) That which is set off against another thing; an offset.
(5):
(n.) That which is used to improve the appearance of anything; a decoration; an ornament.