Source : Webster's Revised Unabridged Dictionary (1913)

Singer \Sin"ger\, n. [From {Singe}.]
   One who, or that which, singes. Specifically:
   (a) One employed to singe cloth.
   (b) A machine for singeing cloth.

Singer \Sing"er\, n. [From {Sing}.]
   One who sings; especially, one whose profession is to sing.

Source : WordNet®

singer
     n 1: a person who sings [syn: {vocalist}, {vocalizer}, {vocaliser}]
     2: United States inventor of an improved chain-stitch sewing
        machine (1811-1875) [syn: {Isaac M. Singer}, {Isaac Merrit
        Singer}]
     3: United States writer (born in Poland) of Yiddish stories and
        novels (1904-1991) [syn: {Isaac Bashevis Singer}]