Answer:

central

Answer	Crossword Clue
CENTRAL	Chief
CENTRAL	Main
CENTRAL	Like a keystone

CENTRAL	Oklahoma's time zone
CENTRAL	Like this grid entry
CENTRAL	Dominant
CENTRAL	"...Park West"
CENTRAL	... America
CENTRAL	Name of the excursion site
CENTRAL	Like some air conditioning
CENTRAL	Chicago's time zone

CENTRAL	Optimally located
CENTRAL	Certain time zone
CENTRAL	Part of CIA, CPU, and CST
CENTRAL	Basic.
CENTRAL	A famous park.
CENTRAL	One-time telephone girl.
CENTRAL	Popular park.
CENTRAL	Telephone exchange.

CENTRAL	Well-known park.
CENTRAL	New York park.
CENTRAL	Principal.
CENTRAL	... America.
CENTRAL	Girl of pre-dial days.
CENTRAL	Dominant.
CENTRAL	Pre-dialing phone girl.
CENTRAL	Part of C.I.A.

CENTRAL	Basic
CENTRAL	Grand place in N.Y.C.
CENTRAL	Part of C.S.T.
CENTRAL	In the middle
CENTRAL	... Park, N.Y.C.
CENTRAL	At the middle
CENTRAL	Indispensable
CENTRAL	Old telephone exchange

CENTRAL	N.F.C. or A.F.C. division
CENTRAL	Key
CENTRAL	Like some air-conditioning
CENTRAL	Not extreme
CENTRAL	Prime

Crossword

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