whaleback

[ hweyl-bak, weyl- ]
/ ˈʰweɪlˌbæk, ˈweɪl- /

noun

Nautical.
  1. a cargo vessel having a hull with a convex deck.
  2. a deck or cover curving upward.
something shaped like the back of a whale, as a rounded hill or an ocean wave.

Origin of whaleback

First recorded in 1885–90; whale1 + back1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for whaleback

British Dictionary definitions for whaleback

whaleback

/ (ˈweɪlˌbæk) /

noun

something shaped like the back of a whale
a steamboat having a curved upper deck
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012