foramen magnum

[ mag-nuh m ]
/ ˈmæg nəm /

noun Anatomy.

the large opening in the base of the skull forming the passage from the cranial cavity to the spinal canal.

Origin of foramen magnum

1880–85; < New Latin: literally, great hole

British Dictionary definitions for foramen magnum

foramen magnum

noun

the large opening at the base of the skull through which the spinal cord passes

Word Origin for foramen magnum

New Latin: large hole

Medical definitions for foramen magnum

foramen magnum
[ măgnəm ]

n.

great foramen