Definify.com
Webster 1913 Edition
Leviratical
{
Lev′i-rate
(lĕv′ĭ-rā̍t)
, Levˊi-rat′ic-al
(-răt′ĭ-kal)
, } Adj.
[L.
levir
a husband’s brother, brother-in-law; akin to Gr. δαήρ
: cf. F. lévirat
leviration.] Of, pertaining to, or in accordance with, a law of the ancient Israelites and other tribes and races, according to which a woman, whose husband died without issue, was married to the husband's brother.
The firstborn son of a
leviratical
marriage was reckoned and registered as the son of the deceased brother. Alford.