the position of a player on a football team who is stationed behind the line of scrimmage;
a support that you can lean against while sitting; "the back of the dental chair was adjustable";
the part of a garment that covers your back; "they pinned a `kick me'' sign on his back";
the front and back covering of a book; "the book had a leather binding";
the side that goes last or is not normally seen; "he wrote the date on the back of the photograph";
the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned";
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back";
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;
strengthen by providing with a back or backing;
establish as valid or genuine; "Can you back up your claims?";
shift to a counterclockwise direction; "the wind backed";
place a bet on; "Which horse are you backing?"; "I''m betting on the new horse";
travel backward; "back into the driveway"; "The car backed up and hit the tree";
cause to travel backward; "back the car into the parking spot";
support financial backing for; "back this enterprise";
be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960";
give support or one''s approval to; "I''ll second that motion"; "I can''t back this plan"; "endorse a new project";
be in back of; "My garage backs their yard";
in or to or toward a past time; "set the clocks back an hour"; "never look back"; "lovers of the past looking fondly backward";
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 repayment or retaliation; "we paid back everything we had borrowed"; "he hit me and I hit him back"; "I was kept in after school for talking back to the teacher";
in or to or toward a former location; "she went back to her parents'' house";
in or to or toward an original condition; "he went back to sleep";
in answer; "he wrote back three days later"; "had little to say in reply to the questions";
