An immature apple. "A codling when 't is almost an apple."
Codling moth (Zool.), a small moth (Carpocapsa Pomonella), which in the larval state (known as the apple worm) lives in apples, often doing great damage to the crop.
... varieties being worked on blight-resistant stocks, there is very little American blight (woolly aphis). Scale insects do a certain amount of damage, but are easily kept in check by winter spraying, and codling moth is not bad unless grossly neglected, many orchards being quite free from this great pest of the apple-grower. So far, the growing of apples has been confined entirely to the growing of fruit for the local markets, no attempt having ... — Fruits of Queensland • Albert Benson