Definition of "TA"

TA

proper noun
1. Initialism of Territorial Army.
noun
countable and uncountable, plural TAs
1. (countable) Initialism of transportation authority.
2. (countable) Initialism of teaching assistant.
3. (countable) Initialism of travel agent.
4. (countable) Initialism of target audience.
5. (countable, aviation) Initialism of traffic advisory (a type of TCAS warning).
6. (uncountable) Initialism of transactional analysis.
7. (uncountable, insurance) Initialism of term assurance.
verb
third-person singular simple present TAs or TA's, present participle TAing or TA'ing, simple past and past participle TAed or TAd or TA'ed or TA'd
1. (intransitive, transitive) To act as a teaching assistant (for a class).
adjective
not comparable
1. (microbiology) Initialism of toxin-antitoxin.