A college or university teacher who ranks above an associate professor. (noun)
A teacher or instructor. (noun)
One who professes. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "professor" in a sentence
"Yup, it's our own nutty professor, or at least he would be a nutty professor if he was a professor* at all, Dr David Hirsh."
"In using the term "professor," she's drawing upon and shaping her identity as an instructor both on and off campus, and some may find that problematic if she's mistakenly seen as representing the university in her stage act."
"He was typically hands-on with the venture, teaching classes until recently and sporting the title professor of polymathy."