nimble : Idioms & Phrases

• noun slender branching American grass of some value for grazing in central United States
  nimblewill; Muhlenbergia schreberi.
  

WordNet

• (Bot.), a slender, branching, American grass (Muhlenbergia diffusa), of some repute for grazing purposes in the Mississippi valley.

Webster 1913

• adjective satellite having nimble fingers literally or figuratively; especially for stealing or picking pockets
  light-fingered.
  
  • a light-fingered burglar who can crack the combination of a bank vault"- Harry Hansen
  • the light-fingered thoughtfulness...of the most civilized playwright of the era"- Time

WordNet