Find the word definition

The Collaborative International Dictionary
Eigne

Eigne \Eigne\, a. [OF. aisn['e], ainsn['e], F. a[^i]n['e], fr. L. ante natus born before. Cf. Esnecy.]

  1. (Law) Eldest; firstborn.
    --Blackstone.

  2. Entailed; belonging to the eldest son. [Obs.]

    Bastard eigne, a bastard eldest son whose parents afterwards intermarry.

Wiktionary
eigne

a. 1 (context legal obsolete English) eldest; firstborn 2 (context legal obsolete English) entailed; belonging to the eldest son