资料来源 : Webster's Revised Unabridged Dictionary (1913)

Tubful \Tub"ful\, n.; pl. {Tubfuls}.
   As much as a tub will hold; enough to fill a tub.

资料来源 : WordNet®

tubful
     n : the amount that a tub will hold; "a tub of water" [syn: {tub}]