1. levirate - Noun
2. levirate - Adjective
Alt. of Leviratical
Source: Webster's dictionaryThe practice of levirate marriage applied to widows of childless deceased husbands, not to widowers of childless deceased wives; though if either he or she didn't consent to the marriage, a different ceremony called chalitza is done instead. Source: Internet
Both levirate and sororate may result in a man having multiple wives. Source: Internet
The sororate is like the levirate, in that a widower must marry the sister of his dead wife. Source: Internet