1. verb /fɛl/
To fell seam allowances, catch the lining underneath before emerging 1/4" (6mm) ahead, and 1/8" (3mm) to 1/4" (6mm) into the seam allowance.
b) To stitch down a protruding flap of fabric, as a seam allowance, or pleat.
2. noun /fɛl/
3. adjective /fɛl/
b) Pungent.
Wikipedia foundation.