bushel
noun /ˈbʊʃl/
  /ˈbʊʃl/
Idioms - [countable] a unit for measuring grain and fruit (equal in volume to 8 gallons)
 - bushels[plural] bushel (of something) (North American English, informal) a large amount of something
 
Word OriginMiddle English: from Old French boissel, perhaps of Gaulish origin.
Idioms 
hide your light under a bushel 
- to not let people know that you are good at something