Meaning of professor

pro•fes•sor

Pronunciation: (pru-fes'ur), [key]
— n.
  1. a teacher of the highest academic rank in a college or university, who has been awarded the title Professor in a particular branch of learning; a full professor: a professor of Spanish literature.
  2. any teacher who has the rank of professor, associate professor, or assistant professor.
  3. a teacher.
  4. an instructor in some art or skilled sport: a professor of singing; a professor of boxing.
  5. a person who professes his or her sentiments, beliefs, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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