PROSCENIUMS
Scrabble letter values: P3R1O1S1C3E1N1I1U1M3S1 = 17
Definition
PROSCENIUMS is the plural of PROSCENIUM.
noun PROSCENIUM: the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain).
Synonyms of PROSCENIUM: apron, forestage