Reasonable part
Defined in 3 dictionaries — Ballentine's (1916), Black's (1910), Stimson (1881)
Ballentine's Law Dictionary
James A. Ballentine · 1916
The portion of a man’s goods which by law went to his wife and children at his death.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In old English law. That share of a man's goods which the law gave to his wife and children after his decease. 2 Bl. Comm. 492. As to reasonable "Allis," "Care," "Diligence," "Doubt," "Notice," "Sklll," and "Time," sce those titles.
Defined under Reasonable in Black's Law Dictionary.
Glossary of Technical Terms, Phrases, and Maxims of the Common Law
Frederic Jesup Stimson · 1881
One third share of a to his wife, another to his children, and at common law. v. De rationabili parte