flat-fell seam

noun

: a strong seam with two lines of stitching showing on the right side that is produced by folding one raw edge under the other and stitching it flat or slip-stitching it on the wrong side

Word History

Etymology

obsolete English flat fell (from English flat entry 1 + obsolete English fell, noun, action of felling a seam, felled seam, from English fell entry 2) + English seam

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