intervertebral disk

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noun Anatomy.

the plate of fibrocartilage between the bodies of adjacent vertebrae.

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Origin of intervertebral disk

First recorded in 1855–60

Divide the dough in half and very gently pat each half into a round 1-inch-thick disk.
Make ‘The Chew’s’ Carla Hall’s Pumpkin Pecan Pie|Carla Hall|December 26, 2014|DAILY BEAST
If your ears are tired of slick auto-tuned vocals, pick up this disk for an aural detox.
The Best Albums of 2014|Ted Gioia|December 13, 2014|DAILY BEAST
The direction of polarization for a quasar is determined by the accretion disk surrounding it.
The Black Hole Tango|Matthew R. Francis|November 24, 2014|DAILY BEAST
We see the protoplanetary disk around it at an angle, but nearly “face-on.”
The Most Stunning View Ever of Planets Being Born|Matthew R. Francis|November 9, 2014|DAILY BEAST

Which is lucky: we can see the gaps in the disk more clearly than if the disk were at a steeper angle.
The Most Stunning View Ever of Planets Being Born|Matthew R. Francis|November 9, 2014|DAILY BEAST
The disk of light disappeared, and the alert constable could be heard moving along the corridor to inspect the other offices.
Dope|Sax Rohmer
Now and then Venus may be observed as a black spot crossing the disk of the sun.
Outlines of the Earth's History|Nathaniel Southgate Shaler
The disk of the upper wings is rather blacker than the rest.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King
For a few moments - 167 -the sun bathes the great garden in a pinkish glow, then drops slowly, a blood-red disk, behind the trees.
The Real Latin Quarter|F. Berkeley Smith
I carry the pile to the table provided with an iron post, about eighteen inches high, topped with a small inverted disk.
Prison Memoirs of an Anarchist|Alexander Berkman

intervertebral disk

[ ĭn′tər-vûr′tə-brəl ]

A broad disk of cartilage that separates adjacent vertebrae of the spine and acts as a shock absorber during movement.