from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To impart knowledge or skill to: teaches children.
  • transitive v. To provide knowledge of; instruct in: teaches French.
  • transitive v. To condition to a certain action or frame of mind: teaching youngsters to be self-reliant.
  • transitive v. To cause to learn by example or experience: an accident that taught me a valuable lesson.
  • transitive v. To advocate or preach: teaches racial and religious tolerance.
  • transitive v. To carry on instruction on a regular basis in: taught high school for many years.
  • intransitive v. To give instruction, especially as an occupation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To show (someone) the way; to guide, conduct.
  • v. To pass on knowledge.
  • v. To pass on knowledge, especially as one's profession; to act as a teacher.

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To give instruction; to follow the business, or to perform the duties, of a preceptor.
  • transitive v. To impart the knowledge of; to give intelligence concerning; to impart, as knowledge before unknown, or rules for practice; to inculcate as true or important; to exhibit impressively
  • transitive v. To direct, as an instructor; to manage, as a preceptor; to guide the studies of; to instruct; to inform; to conduct through a course of studies.
  • transitive v. To accustom; to guide; to show; to admonish.

from The Century Dictionary and Cyclopedia

  • To point out; direct; show.
  • To show how (to do something); hence, to train: as, to teach a dog to beg; to teach a boy to swim.
  • To tell; inform; instruct; explain; show.
  • To impart knowledge or practical skill to; give instruction to; guide in learning; educate; instruct.
  • To impart a knowledge of; give instruction in; give lessons in; instruct or train in understanding, using, managing, handling, etc.: as, to teach mathematics or Greek.
  • Synonyms To enlighten, school, tutor, indoctrinate, initiate.
  • To impart, inculcate, instil, preach. See instruction.
  • To give instruction; give lessons as a preceptor or tutor; impart knowledge or skill; instruct.
  • n. Same as tache.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. impart skills or knowledge to
  • n. an English pirate who operated in the Caribbean and off the Atlantic coast of North America (died in 1718)
  • v. accustom gradually to some action or attitude


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English techen, from Old English tǣcan.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English techen, from Old English tǣċan ("to show, declare, demonstrate; teach, instruct, train; assign, prescribe, direct; warn; persuade"), from Proto-Germanic *taikijanan (“to show”), from Proto-Indo-European *deyǵe-, *deyḱe- (“to show, point out, declare, tell”). Cognate with Scots tech, teich ("to teach"), German zeigen ("to show, point out"), Gothic 𐌲𐌰𐍄𐌴𐌹𐌷𐌰𐌿 (gateihan, "to announce, declare, tell"), Latin dīcō ("speak, say, tell"), Ancient Greek δείκνυμι (deíknumi, "show, point out, explain, teach"). More at token.



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  • Those who can, do. Those who think others can, teach.

    February 27, 2010

  • Only life can teach,

    and learn from itself,

    and it does so in part, through man.

    --Jan Cox

    June 17, 2007