back

noun

1
(American football) the position of a player on a football team who is stationed behind the line of scrimmage
2
a support that you can lean against while sitting
the back of the dental chair was adjustable
3
the part of a garment that covers the back of your body
they pinned a `kick me' sign on his back
4
the protective covering on the front, back, and spine of a book
the book had a leather binding
5
the side that goes last or is not normally seen
he wrote the date on the back of the photograph
6
the posterior part of a human (or animal) body from the neck to the end of the spine
his back was nicely tanned
7
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
the fall broke his back
8
the part of something that is furthest from the normal viewer
he stood at the back of the stage
it was hidden in the rear of the store
9
(football) a person who plays in the backfield

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