Q: Does "play" have the same meaning in the following two sentences?

Play football.

We played hockey all afternoon.

A: the same meaning

Q: Does "stay" have the same meaning in the following two sentences?

We stayed in Hawaii for a week.

I can only stay for an hour.

A: different meanings

Q: Does "post" have the same meaning in the following two sentences?

There is an officer's club on the post.

This military post provides an important source of income for the town nearby.

A:
the same meaning