Q: Does the word "region" mean the same thing in "In the abdominal region." and "The temperate regions."?

A: different meanings

Q: Does the word "foot" mean the same thing in "Armored from head to foot." and "Curled up on the foot of the bed."?

A: different meanings

Q: Does the word "post" mean the same thing in "To post someone for cowardice." and "Post a warning."?

A: the same meaning

Q: Does the word "loaf" mean the same thing in "Sugar loaf." and "A loaf of cheese."?

A:
the same meaning