harvester

noun

1. (dated)A person who gathers the harvest (harvests the crop).
2. A machine that gathers the harvest (harvests the crop).
3. A type of heavy forestry vehicle employed in cut-to-length logging for felling, delimbing and bucking trees; an instance of this type.
4. A program or algorithm that gathers data from a source.
5. 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.
6. Any butterfly of the lycaenid subfamily Miletinae to which this belongs, which are all carnivores.
7. (Ireland)A finnock (a young sea trout).