Problem: Sentence1: They traditionally trim the tree on Christmas Eve.
Sentence2: The airplane trimmed.
Q: Does the term trim mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: We love to ski the Rockies.
Sentence2: My children don't ski.
Q: Does the term ski mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: In a static system oil can not be replaced by water on a surface.
Sentence2: The system consists of a motor and a small computer.
Q: Does the term system mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: There's a cranky curmudgeon working at the hospital who gives all the patients and other doctors flak.
Sentence2: John Doe's old age and stubborn aversion to new ideas make him a curmudgeon of a candidate.
Q: Does the term curmudgeon mean the same thing in both these sentences?

Answer:
the same meaning