Bug
This page is the CodyCross answer for the clue below from La Bella Roma, Group 416, Puzzle 2 (Baths of Caracalla).
Question is: Bug
and the answer is: INSECT
Word Meaning:
INSECT — An arthropod (in the Insecta class) characterized by six legs, up to four wings, and a chitinous exoskeleton.
Definitions from Wiktionary.