turtleback

noun
tur·​tle·​back | \ ˈtər-tᵊl-ˌbak How to pronounce turtleback (audio) \

Definition of turtleback

: a raised convex surface

Other Words from turtleback

turtleback or turtle-backed \ ˈtər-​tᵊl-​ˌbakt How to pronounce turtle-backed (audio) \ adjective

First Known Use of turtleback

1872, in the meaning defined above

Keep scrolling for more