What is the meaning of Banter?

Sharp, good-humoured, playful, typically spontaneous conversation.

Good-humoured bits of monologue and/or conversational prompts used in any of a wide range of occupations that must frequently interact with the public (for example, store clerks, salespersons, nurses).

To engage in banter or playful conversation.

To play or do something amusing.

To tease (someone) mildly.

To joke about; to ridicule (a trait, habit, etc.).

To delude or trick; to play a prank upon.

To challenge to a match.

To haggle; cheapen the price.

Source: wiktionary.org