Problem: Sentence1: Dew dripped from the face of the leaf.
Sentence2: Why the sad face?
Q: Does the term face mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The battalion was a mere skeleton of its former self.
Sentence2: The bare skeleton of a novel.
Q: Does the term skeleton mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: A reduction in the assessment per head of sheep.
Sentence2: 200 head of cattle and 50 head of horses.
Q: Does the term head mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: He's always stuffing his face with chips.
Sentence2: Dew dripped from the face of the leaf.
Q: Does the term face mean the same thing in both these sentences?

Answer:
different meanings