Definition of "bucketful"

bucketful

noun
plural bucketfuls or bucketsful
1. The quantity contained in a bucket.
  Quotations
  "I had a fire lit there, and there is a bucketful of coals. You will be pretty comfortable, I hope."
  1925 July – 1926 May, A[rthur] Conan Doyle, “(please specify the chapter number)”, in The Land of Mist (eBook no. 0601351h.html), Australia: Project Gutenberg Australia, published April 2019
2. (by extension) A large quantity.