GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   lemmatize (lĕmˈmȧ‑tīzˌ), v. t. To convert into a lemma2; 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””.
   
   [PJC]