2 definitions found

From WordNet (r) 2.0 [wn]:

professor

noun: someone who is a member of the faculty at a college or university [syn: {prof}]

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Professor \Pro*fess"or\, noun [L., a teacher, a public teacher: cf. F. professeur. See {Profess}.]

1. One who professed, or makes open declaration of, his sentiments or opinions; especially, one who makes a public avowal of his belief in the Scriptures and his faith in Christ, and thus unites himself to the visible church. ''Professors of religion.'' --Bacon.

2. One who professed, or publicly teaches, any science or branch of learning; especially, an officer in a university, college, or other seminary, whose business it is to read lectures, or instruct students, in a particular branch of learning; as a professor of theology, of botany, of mathematics, or of political economy.
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