A Collapsed Volcano, Like the Basin at Yellowstone

This page is the CodyCross answer for the clue below from Street Fair, Group 1317, Puzzle 1 (Guest Speakers).

Question is: A Collapsed Volcano, Like the Basin at Yellowstone

and the answer is: CALDERA

Word Meaning:

CALDERA — (volcanology) A large crater formed by collapse of the cone or edifice of a volcano.

Definitions from Wiktionary.