Word: undershell
Part of speech: Noun
Syllables: un
der
shell
Definition: The plastron of a turtle or tortoise.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: shell
Language: en
PoS: Noun
Meaning: The conjoined scutes that constitute the "shell" (carapace) of a tortoise or turtle.