D defs.my
Entry 1 sense Webster, 1913

Stemmer

/stĕm'-ẽr/ · Stem·mer · IPA /stˈɛmər/
01 n. One who, or that which, stems (in any of the senses of the verbs).
  1. 1.
    One who, or that which, stems (in any of the senses of the verbs).