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

He offered a persuasive defense of the theory.

The defense called for a mistrial.

A: different meanings

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

This building used to be a church before being converted into a library.

There is a lovely little church in the valley.

A: the same meaning

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

The Lord Mayor's procession.

Processions were forbidden.

A:
the same meaning