back

the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned"

the side that goes last or is not normally seen; "he wrote the date on the back of the photograph"

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"

(football) a person who plays in the backfield

the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"

the protective covering on the front, back, and spine of a book; "the book had a leather binding"

a support that you can lean against while sitting; "the back of the dental chair was adjustable"

be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960"

travel backward; "back into the driveway"; "The car backed up and hit the tree"

give support or one's approval to; "I'll second that motion"; "I can't back this plan"; "endorse a new project"

cause to travel backward; "back the car into the parking spot"

support financial backing for; "back this enterprise"

located at or near the back of an animal; "back (or hind) legs"; "the hinder part of a carcass"

in or to or toward a former location; "she went back to her parents' house"

at or to or toward the back or rear; "he moved back"; "tripped when he stepped backward"; "she looked rearward out the window of the car"

in or to or toward an original condition; "he went back to sleep"

in or to or toward a past time; "set the clocks back an hour"; "never look back"; "lovers of the past looking fondly backward"

in reply; "he wrote back three days later"