whaleback noun & adjective. ['weɪlbak] L19.
[from WHALE noun + BACK noun¹.]
A. noun. A thing shaped like a whale's back; spec. (a) an arched structure over the bow or stern part of the deck of a steamer, a turtle-back; (b) (chiefly Hist.) a steamship with a spoon bow and a very convex main deck; (c) Physical Geography a large elongated mound, hill, or sand-dune; a roche moutonnée. L19.
b. attrib. or as adjective. Having a whaleback; shaped like a whale's back, very convex. L19.

■ whalebacked adjective shaped like a whale's back, very convex M19.

[TahlilGaran] English Dictionary ▲