n.
Function: transitive verb
Etymology: Middle English, from Old English fellan; akin to Old English feallan to fall ― more at FALL
Date: before 12th century
1 a : to cut, knock, or bring down < fell a tree> b : KILL
2 : to sew (a seam) by folding one raw edge under the other and sewing flat on the wrong side
– fell · able \ ' fe-l ə -b ə l \ adjective
– fell · er noun