English

Definition of teaching assistant noun from the Oxford Advanced Learner's Dictionary

  1. 1a person who is not a qualified teacher who helps a teacher in a school See related entries: People in schools, School life
  2. 2(abbreviation TA) (both North American English) (also teaching fellow US English, British English) a graduate student who teaches undergraduate classes at a university or college, takes discussion or practical classes, marks written work, etc. See related entries: University people
See the Oxford Advanced American Dictionary entry: teaching assistant