Q: Does the word "readiness" mean the same thing in "Putting them in readiness." and ""A happy readiness of conversation" -- Jane Austen."?

A: different meanings

Q: Does the word "bar" mean the same thing in "He was admitted to the bar in New Jersey." and "Unfortunately some writers have used bar for one dyne per square centimeter."?

A: different meanings

Q: Does the word "make" mean the same thing in "He will make a fine father." and "He makes a great host."?

A: the same meaning

Q: Does the word "floor" mean the same thing in "Many sunken ships rest on the ocean floor." and "The floor of the cave."?

A:
the same meaning