canful

From can +‎ -ful.

canful (plural canfuls or cansful)

1. As much as a can will hold.
   • 1966, Seamus Heaney, Blackberry-Picking:

     Once off the bush / The fruit fermented, the sweet flesh would turn sour. / I always felt like crying. It wasn't fair / That all the lovely canfuls smelt of rot. / Each year I hoped they'd keep, knew they would not.

• flucan