from
The Collaborative International Dictionary of English v.0.48
Residuary \Re*sid"u*a*ry\ (-?-r?), a. [See {Residue}.]
Consisting of residue; as, residuary matter; pertaining to
the residue, or part remaining; as, the residuary advantage
of an estate. --Ayliffe.
[1913 Webster]
{Residuary clause} (Law), that part of the testator's will in
which the residue of his estate is disposed of.
{Residuary devise} (Law), the person to whom the residue of
real estate is devised by a will.
{Residuary legatee} (Law), the person to whom the residue of
personal estate is bequeathed.
[1913 Webster]