whaleback

(redirected from Pig boat)

whale·back

 (wāl′băk′, hwāl′-)
n.
A steamship with the bow and upper deck rounded so as to shed water.

whaleback

(ˈweɪlˌbæk)
n
1. something shaped like the back of a whale
2. (Nautical Terms) a steamboat having a curved upper deck

whale•back

(ˈʰweɪlˌbæk, ˈweɪl-)

n.
something shaped like the back of a whale, as a rounded hill or an ocean wave.
[1885–90]