tumble home

She has a ram bow, long counter, and fin-bulb keel, with narrow beam and sides that tumble home above the water-line.

The midsection was formed with moderately short and rising floor, round and easy bilge, and some tumble-home in the topside.

To obviate this risk, the sides were curved in above the water-line in what was called "a tumble home."

The Ellen Burgee was an old-fashioned ship, with long single topsails, a mackerel-head bow, and tumble-home sides.

That's what makes Sperril tumble home from the waist uppards.