Problem: Sentence1: The coast is clear.
Sentence2: The children lined up for a coast down the snowy slope.
Q: Does the term coast mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Sanitize a document before releasing it to the press.
Sentence2: Sanitize the language in a book.
Q: Does the term sanitize mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Football tickets are expensive at fifty bucks a throw.
Sentence2: He couldn't afford $50 a throw.
Q: Does the term throw mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Don't touch my CDs!
Sentence2: Stefan was touched by the song's message of hope.
Q: Does the term touch mean the same thing in both these sentences?

Answer:
different meanings