a land tortoise or turtle for the genera Cistudo and Emys; -- so named because it can withdraw completely within its layer, that could be closed by hinged bones in reduced layer. Also, humorously, an exceedingly reticent individual.
See under Box, Land, etc.
A tortoise with a hinged plastron and this can be therefore closely applied to the side of the carapace, if the head, tail, and limbs have already been drawn in, the animal is almost boxed up in shell; a tortoise regarding the family members Cistudinidœ. Typically labeled as box-turtle in the usa.
mainly terrestrial turtle of united states; layer is shut tightly