Answer:

odeons

Answer	Crossword Clue
ODEONS	Old theaters
ODEONS	Old music halls
ODEONS	Classic theaters

ODEONS	Old cinemas
ODEONS	Ancient Greek theaters
ODEONS	Concert halls
ODEONS	Greek halls
ODEONS	Music halls
ODEONS	Greek theaters of old
ODEONS	Some classic theaters
ODEONS	Classical concert halls

ODEONS	Old concert halls
ODEONS	Some theaters
ODEONS	Greek theaters of yore
ODEONS	Music halls of old
ODEONS	Greek theaters of yore (Var.)
ODEONS	Classical theaters
ODEONS	Old-fashioned theaters
ODEONS	Greek theaters

ODEONS	Classical music halls

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.