Q: Does the word "stand" mean the same thing in "They took a firm stand against copyright infringement." and "They cut down a stand of trees."?

A: different meanings

Q: Does the word "water" mean the same thing in "I need to go water the cattle." and "We watered the buffalo."?

A: the same meaning

Q: Does the word "lady" mean the same thing in "A lady doctor." and "A chauffeur opened the door of the limousine for the grand lady."?

A: the same meaning

Q: Does the word "thing" mean the same thing in "How could you do such a thing?" and "He has a thing about seafood."?

A:
different meanings