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third-person singular simple present teaches, present participle teaching, simple past and past participle taught
(ditransitive) To pass on knowledge to. examples
(intransitive, stative) To pass on knowledge generally, especially as one's profession; to act as a teacher. examples
(ditransitive) To cause (someone) to learn or understand (something). quotations examples
The humor of my proposition appealed more strongly to Miss Trevor than I had looked for, and from that time forward she became her old self again; […]. Now she had come to look upon the matter in its true proportions, and her anticipation of a possible chance of teaching him a lesson was a pleasure to behold.
1897 December (indicated as 1898), Winston Churchill, chapter VIII, in The Celebrity: An Episode, New York, N.Y.: The Macmillan Company; London: Macmillan & Co., Ltd.
Deep Blue taught us a great deal about the power of the human mind precisely because it could not reproduce the intuitive and logical leaps of Kasparov’s mind. A truly synthetic cell, built from scratch or even from preexisting components, will be a cell without ancestry, and it, too, will teach us a great deal about the underlying complexities of life without actually reproducing them.
2013 September-October, Rob Dorit, “Making Life from Scratch”, in American Scientist
(ditransitive) To cause to know the disagreeable consequences of some action. examples
(obsolete, transitive) To show (someone) the way; to guide, conduct; to point, indicate. quotations
Blessed God of might (the) most.. teach us the right way unto that bliss that lasteth aye.
c1450, Mandeville's Travelsː
Till thy sweet sun uprose, thou keptest all our lay, how we should keep our belief there taught'st thou us the way.
c1460, Cursor Mundiː
So thus within a whyle as they thus talked the nyghte passed / and the daye shone / and thenne syre launcelot armed hym / and took his hors / and they taught hym to the Abbaye and thyder he rode within the space of two owrys(please add an English translation of this quotation)
1485, Sir Thomas Malory, chapter V, in Le Morte Darthur, book VI
plural teaches
(informal, usually as a term of address) teacher examples