The edge of a boat is commonly referred to as the "gunwale." It is the upper edge of the side of a boat, where the hull meets the deck. Gunwales provide structural support and are often used for securing lines or attaching accessories.
The gunnel.
Gunwale
The gunwales is the top edge of the side of a boat.
The gunnel is the top edge of the side of a boat.
The gunwale is the top edge of the side of a boat.
The upper edge of the planking of the side of a boat or ship.
The gunwales is the top edge of the side of a boat.
On the upper edge of each side
The very top edge of a boat usually from mid ship leading to the bow section
on the upper edge of each side
The upper edge of the hull is the gunwale.
A boat shed is another term for a boathouse - a building at the edge of a river of lake in which boats are kept.