professor Meaning, Definition & Usage
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noun someone who is a member of the faculty at a college or university
prof.
WordNet
Pro*fess"or noun
Etymology
L., a teacher, a public teacher: cf. F.Definitions
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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. -
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.