(1):
(n.) One who sews, or stitches.
(2):
(n.) A small tortricid moth whose larva sews together the edges of a leaf by means of silk; as, the apple-leaf sewer (Phoxopteris nubeculana)
(3):
(n.) A drain or passage to carry off water and filth under ground; a subterraneous channel, particularly in cities.
(4):
(n.) Formerly, an upper servant, or household officer, who set on and removed the dishes at a feast, and who also brought water for the hands of the guests.