What is the meaning of Harvester?

A person who gathers the harvest (harvests the crop).

A machine that gathers the harvest (harvests the crop).

A type of heavy forestry vehicle employed in cut-to-length logging for felling, delimbing and bucking trees; an instance of this type.

A program or algorithm that gathers data from a source.

A North American butterfly species, Feniseca tarquinius, whose larvae eat aphids and are the only entirely carnivorous caterpillars in North America; an individual of this species.

Any butterfly of the lycaenid subfamily Miletinae to which this belongs, which are all carnivores.

A finnock (a young sea trout).

Source: wiktionary.org