Problem: Sentence1: Armored from head to foot.
Sentence2: Curled up on the foot of the bed.
Q: Does the term foot mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The military academy at West Point.
Sentence2: Academies of literature and philology.
Q: Does the term academy mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: She may not make the grade.
Sentence2: We made it!
Q: Does the term make mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: This computer will connect well to the network.
Sentence2: These computers connected well together.
Q: Does the term connect mean the same thing in both these sentences?

Answer:
the same meaning