a joke exploiting the different possible meanings of a word or the fact that there are words which sound alike but have different meanings.
"the Railway Society reception was an informal party of people of all stations (excuse the pun) in life"
a joke exploiting the different possible meanings of a word or the fact that there are words which sound alike but have different meanings."the Railway Society reception was an informal party of people of all stations (excuse the pun) in life"