hollow 6 Associations

cavity (generic term) enclosed space (generic term)

pocket 6 Associations

pouch sac sack cavity (generic term) enclosed space (generic term)

pouch 5 Associations

sac sack pocket cavity (generic term) enclosed space (generic term)

sac 3 Associations

pouch sack pocket cavity (generic term) enclosed space (generic term)

sack 4 Associations

pouch sac pocket cavity (generic term) enclosed space (generic term)