1 [uncountable and countable]AP
things such as films, television, performances etc that are intended to amuse or interest people:
The town provides a wide choice of entertainment.
There will be live entertainment (=performed then, not recorded) throughout the day.
light entertainment (=comedy)
The dolphins give good entertainment value (=a lot of amusement and interest).
2 [uncountable]APT formal
when you entertain someone at home, or for business:
the entertainment of friends