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[tee-cher] /ˈti tʃər/
a person who teaches or instructs, especially as a profession; instructor.
Origin of teacher
1250-1300; Middle English techer. See teach, -er1
Related forms
teacherless, adjective
teachership, noun
nonteacher, noun
self-teacher, noun
underteacher, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for teacher
Contemporary Examples
Historical Examples
  • I had no more class to look forward to, no more chance of seeing my teacher.

    Hungry Hearts Anzia Yezierska
  • For this the teacher brought out his old fiddle and tuned it.

    Rico and Wiseli Johanna Spyri
  • The teacher assented, and Beatrice shook hands with her and bade her good-night.

    Beatrice H. Rider Haggard
  • They began at once to think of whom they should inquire,—of the teacher, or of the grandmother.

    Rico and Wiseli Johanna Spyri
  • It's already begun to be unquiet there—some arrests have been made, a teacher was taken.

    Mother Maksim Gorky
British Dictionary definitions for teacher


a person whose occupation is teaching others, esp children
a personified concept that teaches: nature is a good teacher
Derived Forms
teacherless, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for teacher

"one who teaches," c.1300; agent noun from teach (v.). It was used earlier in a sense of "index finger" (late 13c.). Teacher's pet attested from 1856.

Online Etymology Dictionary, © 2010 Douglas Harper
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