calipash
The edible greenish material found underneath the upper half of a turtle's carapace (shell).
countable, uncountable
The tortoise—as the alderman of Bristol, well learned in eating, knows by much experience—besides the delicious calipash and calipee, contains many different kinds of food.
Where it comes from
From French carapace, Spanish carapacho; further etymology uncertain. Doublet of carapace.
Adapted from the Wiktionary entry calipash (CC BY-SA 4.0).