D defs.my
Entry 1 sense Webster, 1913

lemmatize

/(lĕm"mȧ*tīz`)/ · lem·ma·tize · IPA
01 v. t. To convert into a lemma{2}; to normalize the form of (a word) to that form used as the headword in a dictionary, glossary, or index; as, “r…
  1. 1.
    To convert into a lemma{2}; to normalize the form of (a word) to that form used as the headword in a dictionary, glossary, or index; as, “ride” is the lemmatized form for “riding” and “ridden”.