see off

verb

saw off; seen off; seeing off; sees off

1

: to go to an airport, train station, etc., with (someone who is leaving) in order to say goodbye

She saw her son off at the train station.

2

British : to chase or force (someone) away from a place

The police finally saw them off.

3

British : to defeat or stop (an enemy, opponent, etc.)

They saw off the opposition.