Off"let, n. [Off + let.] A pipe to let off water.
Off"scour`ing (?), n. [Off + scour.] That which is scoured off; hence,
refuse; rejected matter; that which is vile or despised. Lam. iii. 45.
Off"scum` (?), n. [Off + scum.] Removed scum; refuse; dross.
Off"set` (?), n. [Off + set. Cf. Set-off.] In general, that which is
set off, from, before, or against, something; as: --
1. (Bot.) A short prostrate shoot, which takes root and produces a tuft
of leaves, etc. See Illust. of Houseleek.
2. A sum, account, or value set off against another sum or account, as
an equivalent; hence, anything which is given in exchange or
retaliation; a set-off.