Seamstress

from WordNet (r) 3.0 (2006)

seamstress
    n 1: someone who makes or mends dresses [syn: {dressmaker},
         {modiste}, {needlewoman}, {seamstress}, {sempstress}]

from The Collaborative International Dictionary of English v.0.48

Seamstress \Seam"stress\ (?; 277), n. [From older seamster,
   properly fem., AS. se['a]mestre. See {Seam}.]
   A woman whose occupation is sewing; a needlewoman.
   [1913 Webster]