/ah"mish, am"ish/ , adj.
1. of or pertaining to any of the strict Mennonite groups, chiefly in Pennsylvania, Ohio, Indiana, and Canada, descended from the followers of Jakob Ammann, a Swiss Mennonite bishop of the 17th century.
n.
2. the Amish people.
[ 1835-45, Amer.; amisch, after Jakob Ammann; see -ISH 1 ]