to go to a station, an airport, etc. to say goodbye to sb who is starting a journey
see sb off
to go to a station, an airport, etc. to say goodbye to sb who is starting a journey
see sb offBritish
to force sb to leave a place, for example by chasing them
The dogs saw them off in no time.
see sb offBritish
to defeat sb in a game, fight, etc.
The home team saw off the challengers by 68 points to 47.
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition