portioner
noun
por·tion·er
-sh(ə)nə(r)
plural -s
: one that portions or has a portion: such as
a
Scots law : the owner of a portion of a decedent's estate : a small laird see heir portioner
b
: portionist sense 2
Word History
Etymology
partly from portion entry 2 + -er, partly from portion entry 1 + -er