Meaning of “see sb off” - Learner’s Dictionary

see sb off

phrasal verb with see us uk /siː/ verb present participle seeing, past tense saw, past participle seen

B2 to go to the place that someone is leaving from in order to say goodbye to them:

My parents came to the airport to see me off.

(Definition of “see sb off” from the Cambridge Learner’s Dictionary © Cambridge University Press)