Word not found in any official scrabble dictionaries.
"Cavea" Definition
noun
Among the ancient romans: a cage or den for wild beasts, etc.; literally, any cavity or hollow place.
Source: Century Dictionary
In general, the auditorium of a theater or amphitheater: so called from its concave form, and by analogy with the similar application by the greeks of the word κοιλον , a hollow.
Source: Century Dictionary