whaleback

noun — 2 senses

whaleback

noun

Etymology * whale + back. * (ship): From its whale-like appearance when fully loaded.

1

Historical A kind of cargo steamship with a hull that continuously curves above the waterline from vertical to horizontal.

2

Geography, Geology, Natural sciences A landform (typically a sand dune) having the form of the back of a whale.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.