reaper

Short definition from Wiktionary

Noun

1. 1
   One who reaps; a person employed to harvest crops from the fields by reaping.
2. 2
   A machine used to harvest crops.
3. 3
   Ellipsis of Grim Reaper.
4. 4
   A recluse spider (Loxosceles and Sicarius spp.).
5. 5
   Each of the small laths laid across the rafters of a sloping roof to bear the tiles.