Answer:

main

Answer	Crossword Clue
MAIN	Popular street name
MAIN	Primary
MAIN	Water way

MAIN	It may be bounding
MAIN	Chief
MAIN	Water line
MAIN	Water carrier
MAIN	Principal
MAIN	Big pipe
MAIN	Common street name
MAIN	Utility pipe

MAIN	Large pipe
MAIN	Key
MAIN	Kind of a drag?
MAIN	Paramount
MAIN	Most important
MAIN	Everystreet
MAIN	Water route
MAIN	Central

MAIN	Water conduit
MAIN	Big water pipe
MAIN	Cardinal
MAIN	Disneyland street
MAIN	Squeeze starter
MAIN	Start for land or stream
MAIN	Water duct
MAIN	Large water pipe

MAIN	Water pipe
MAIN	"... Street" (1920 Sinclair Lewis novel)
MAIN	Primary water pipe
MAIN	Disneyland street that ends at Sleeping Beauty Castle
MAIN	Principal water system conduit
MAIN	It's bounding, literally
MAIN	Popular street
MAIN	Spring or stream starter

MAIN	Common parade street
MAIN	Open ocean
MAIN	Principal duct
MAIN	Large duct
MAIN	Predominant