According to Genesis, what was the Ark’s roof opening called?

According to Genesis, Noah made a window in the Ark.

Genesis 6:16 instructs Noah to make a window, or opening, for the ark and to finish it to a specified measure. The Hebrew wording and the way translations render the passage have produced some variation, but the traditional English answer is “a window.” Genesis 8 later refers to Noah opening the window before sending out the raven.

The opening is sometimes described in modern retellings as a skylight, hatch, or ventilation system. Those terms can help visualize its function, but they are not the standard wording of the biblical account. Genesis does not provide a complete engineering description of the opening or explain exactly how it was sealed during the storm.

The window is distinct from the door mentioned elsewhere in the same construction passage. The door provided entry into the vessel, while the upper opening belongs to the ark’s light and observation details. The text also says the ark had three levels.