Definition of grimalkin in English:

grimalkin

noun

archaic
  • 1A cat.

    • ‘She's written six paranormal romances about love complicated by grimalkins, witches, Druids, mermaids, and even mad scientists.’
    cat, domestic cat, wild cat, alley cat, kitten
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    1. 1.1 A spiteful old woman.
      shrew, vixen, she-devil, hellcat
      View synonyms

Origin

Late 16th century: from grey + Malkin (pet form of the given name Matilda).

Pronunciation

grimalkin

/ɡrɪˈmalkɪn//ɡrɪˈmɔːlkɪn/