teacup.html -
v.tr. (past and
past part. taught)
1 a give systematic information to (a person) or about (a subject or skill). b (absol.) practise this professionally. c enable (a person) to do something by instruction and
training (taught me to swim; taught me how to dance).
2 advocate as a moral etc. principle (my parents
taught me tolerance).
3 (foll. by to + infin.) a induce (a person) by example or punishment to do or not to do a thing (that will teach you to sit still; that will teach you not to laugh). b colloq. make (a person) disinclined to do a
thing (I will teach you to interfere).
teach-in 1 an informal lecture and discussion on a subject of public interest.
2 a series of these. teach a person a lesson see LESSON . teach school US be a teacher in a school. [OE tócan f. a Gmc root = 'show']