residuary
/rɪˈzɪdjʊərɪ/adjective
1- technical residual〈技〉残留的, 剩余的。
1.1
- Law of or relating to the residue of an estate【律】（与）剩余遗产（有关）的：
a residuary legatee.
剩余遗产受赠人。
词源
early 18th cent.: from RESIDUUM + -ARY1.