a woman who is expert at sewing, esp. one who makes her living by sewing
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'seamstress'
, man or woman who sews < OE < seam
+ additional fem. suffix -ess