whaleback

(hwālbak′, wāl-)

noun

  1. something rounded on top like the back of a whale
  2. ☆ a freight steamer with the bow and upper deck rounded so that heavy seas will wash right over

See whaleback in American Heritage Dictionary 4

noun
A steamship with the bow and upper deck rounded so as to shed water.

Learn more about whaleback

link/cite print suggestion box