a suffix found in loanwords from Latin, forming personal agent nouns from verbs and, less commonly, from nouns: dictator; genitor; janitor; orator; victor.

Nearby words

  1. -tomous,
  2. -tomy,
  3. -ton,
  4. -tonia,
  5. -tonic,
  6. -tory,
  7. -trice,
  8. -trich,
  9. -tricha,
  10. -trichous

Origin of -tor

< Latin -tor (stem -tōr-), cognate with Greek -tōr (stem -tor-), Sanskrit -tar-

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019