WordReference Random House Unabridged Dictionary of American English © 2026
es•ne•cy
(es′nə sē),USA pronunciation n. [Obs.](in English law)
- Lawthe right of the oldest member of a coparcenary to have first choice of share upon division of the inheritance.
- Medieval Latin aesnecia, Latinization of Old French ainsneece, ainsnesse position of an older brother or sister, derivative of ainsne elder (compare Latin antenātus (one) born before another)
- 1600–10