Plowman's fee
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
An ancient customary descent in equal shares to the sons, varied by larger shares to the oldest or youngest son.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In old English law, this was a species of tenure peculiar to peasants or small farmers, somewhat like gavelkind, by which the lands descended in equal shares to ali the sons of the tenant.
Defined under Fee in Black's Law Dictionary.