noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A person who is on a family tree because he has married someone on the tree, and is not related by blood to anyone on the tree except his own descendants.
2. 2
   A protest where many people marry, as in protest of a law that forbids such marriages.

Etymology

* (genetics): Deverbal from marry in. * (protest): From marry + -in.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.