TURTLEBACK
Meaning of TURTLEBACK in English
transcription, транскрипция: [ ˈtər-t ə l-ˌbak ]
noun
Date: 1872
: a raised convex surface
• turtleback or tur·tle-backed -ˌbakt adjective
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003