What is Homine Capto In Withernam?

Legal Definition
Engl. law.. The name of a writ directed to the sheriff, and commanding him to take one who has taken any bondsman, and conveyed him out of the country, so that he cannot be replevied. Vide Withernam; Thesaurus, Brev. 63.
-- Bouviers Law Dictionary
Legal Definition
-- Ballentine's Law Dictionary