What is the meaning of Lighter?

A person who lights things.

A device used to light things, especially a reusable handheld device for creating fire to light cigarettes.

A flat-bottomed boat for carrying heavy loads across short distances (especially for canals or for loading or unloading larger boats).

To transfer (cargo or passengers) to or from a ship by means of a lighter or other small vessel.

To transfer cargo or fuel from (a ship), lightening it to make its draft less or to make it easier to refloat.

comparative form of light: more light

comparative form of light: more light

lighter

Source: wiktionary.org