枢

centre

cardinal (Catholic Church)

central nerves

central (nervous system)

centre of (political) power

language center (brain)

Wernicke's area

nerve centre

axle

central nervous system

sliding wooden bolt (for holding a door or window shut)

respiratory center

central nervous system

(most) important

important point

Privy Council (abolished in 1947)

auditory center (of the brain)

Axis powers (World War II)

door (with a pivot hinge)

satiety center (of the brain)

state secrets

Axis of Evil (Iran, Iraq and North Korea)

vomiting center

pivot hinge (using extensions on the top and bottom of a door that fit into cavities in the frame)

Ucchusma

congenital central hypoventilation syndrome