serge

2
[surj]
verb (used with object), serged, serg·ing.
  1. to overcast (unfinished seams or edges, as in a fabric or rug), especially by machine, in order to prevent fraying.

Origin of serge

2
perhaps to be identified with serge1, though sense shift is unclear
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for serged

serge

noun
  1. a twill-weave woollen or worsted fabric used for clothing
  2. a similar twilled cotton, silk, or rayon fabric

Word Origin for serge

C14: from Old French sarge, from Vulgar Latin sārica (unattested), from Latin sēricum, from Greek sērikon silk, from sērikos silken, from sēr silkworm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for serged

serge

n.

late 14c., from Old French serge (12c.), from Vulgar Latin *sarica, in Medieval Latin "cloth of wool mixed with silk or linen," from Latin serica (vestis) "silken (garment)," from serica, from Greek serike, fem. of serikos "silken" (see silk). The French word is the source of German sarsche, Danish sarge, etc.

Online Etymology Dictionary, © 2010 Douglas Harper