REMAINDERMAN
Etymology
Noun
remainderman (plural remaindermen)
(legal) A person entitled to receive a remainder interest in any property.
(legal) A person entitled to the assets of a trust at the end of some specified period or after some event. For instance a man's will might put his assets into a trust with the income to go to his wife until she dies (being a life interest), at which time the capital (remainder interest) goes to their children. The children are remaindermen.
Source: Wiktionary
Re*main"der-man (- mân), n.; pl. Remainder-men (-mên). (Law)
Definition: One who has an estate after a particular estate is determined.
See Remainder, n., 3. Blackstone.
Source: Webster’s Unabridged Dictionary 1913 Edition