\Quit"claim`\, n. [Quit, a. + claim.] (Law)
A release or relinquishment of a claim; a deed of release; an
instrument by which some right, title, interest, or claim,
which one person has, or is supposed to have, in or to an
estate held by himself or another, is released or
relinquished, the grantor generally covenanting only against
persons who claim under himself.

\Quit"claim`\, v. t. [imp. & p. p. {Quitclaimed}; p.
pr. & vb. n. {Quitclaiming}.] (Law)
To release or relinquish a claim to; to release a claim to by
deed, without covenants of warranty against adverse and
paramount titles.