Problem: Sentence1: He didn't say a word about it.
Sentence2: Can I have a word with you?
Q: Does the term word mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Dress the patient.
Sentence2: Dress the plants in the garden.
Q: Does the term dress mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: It is time to board the aircraft.
Sentence2: The old lady is boarding three men.
Q: Does the term board mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: I ordered two dozen doughnuts.
Sentence2: There shouldn't be more than two dozen Christmas cards left to write.
Q: Does the term dozen mean the same thing in both these sentences?

Answer:
the same meaning