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[tee-cher] /ˈti tʃər/
a person who teaches or instructs, especially as a profession; instructor.
Origin of teacher
First recorded in 1250-1300, teacher is from the Middle English word 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. 2017.
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Examples from the Web for teacher
Contemporary Examples
Historical Examples
  • He might even qualify for some distinction in it with such a teacher!

    Weighed and Wanting George MacDonald
  • For this the teacher brought out his old fiddle and tuned it.

    Rico and Wiseli Johanna Spyri
  • The teacher stood looking at the child in great surprise and some displeasure.

    Rico and Wiseli Johanna Spyri
  • And the teacher opened the door, and took his fiddle from its place on the wall.

    Rico and Wiseli Johanna Spyri
  • The teacher sunk into a chair, and put his spectacles on his nose.

    Rico and Wiseli Johanna Spyri
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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