What is the meaning of Excuse_me?

Said as a request to repeat information.

Said, as though as a request to repeat information, in order to indicate disbelief or indignation.

Said as a request for an individual's attention.

Said as a request to pass somebody.

Sorry, as an apology.

Said as an expression of unexpected or early farewell.

An old-fashioned type of dance where partners are constantly changed.

Source: wiktionary.org