Quick definitions from WordNet (buttercup squash)
▸ noun: drum-shaped squash with dark green rind marked in silver or gray
▸ noun: plant bearing somewhat drum-shaped fruit having dark green rind with grayish markings
▸ noun: drum-shaped squash with dark green rind marked in silver or gray
▸ noun: plant bearing somewhat drum-shaped fruit having dark green rind with grayish markings