n.
Function: noun
Etymology: Middle English skottell lid of a scuttle
Date: 15th century
1 : a small opening in a wall or roof furnished with a lid: as a : a small opening or hatchway in the deck of a ship large enough to admit a person and with a lid for covering it b : a small hole in the side or bottom of a ship fitted with a covering or glazed
2 : a covering that closes a scuttle