levirate

About 0.17 uses per million words.

Meaning

1. adjective Having to do with one's husband's brother.
2. noun A marriage between a widow and her deceased husband's brother or, sometimes, heir.
3. noun The institution of levirate marriage.

Similar words

concubinarian avunculate concubinal sororal patrilocal stepbrotherly agnate bastardly avuncular avunculocal

Often followed by

marriage and is law connection was marriages or are

Word family

levirates leviratic