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Webster 1913 Edition
Mortmain
Mort′mainˊ
,Noun.
(Law)
Possession of lands or tenements in, or conveyance to, dead hands, or hands that cannot alienate.
☞ The term was originally applied to conveyance of land made to ecclesiastical bodies; afterward to conveyance made to any corporate body.
Burrill.
Webster 1828 Edition
Mortmain
MORT'MAIN
,Noun.