The noun back has 9 senses (first 3 from tagged texts)
1. (53) back, dorsum -- (the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned")
2. (12) rear, back -- (the side that goes last or is not normally seen; "he wrote the date on the back of the photograph")
3. (4) back, rear -- (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")
4. back -- ((football) a person who plays in the backfield)
5. spinal column, vertebral column, spine, backbone, back, rachis -- (the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back")
6. binding, book binding, cover, back -- (the protective covering on the front, back, and spine of a book; "the book had a leather binding")
7. back -- (the part of a garment that covers the back of your body; "they pinned a `kick me' sign on his back")
8. back, backrest -- (a support that you can lean against while sitting; "the back of the dental chair was adjustable")
9. back -- (the position of a player on a football team who is stationed behind the line of scrimmage)
Overview of verb back
The verb back has 10 senses (first 5 from tagged texts)
1. (7) back, endorse, indorse, plump for, plunk for, support -- (be behind; approve of; "He plumped for the Labor Party"; "I backed Kennedy in 1960")
2. (6) back -- (travel backward; "back into the driveway"; "The car backed up and hit the tree")
3. (4) second, back, endorse, indorse -- (give support or one's approval to; "I'll second that motion"; "I can't back this plan"; "endorse a new project")
4. (4) back -- (cause to travel backward; "back the car into the parking spot")
5. (2) back -- (support financial backing for; "back this enterprise")
6. back -- (be in back of; "My garage backs their yard")
7. bet on, back, gage, stake, game, punt -- (place a bet on; "Which horse are you backing?"; "I'm betting on the new horse")
8. back -- (shift to a counterclockwise direction; "the wind backed")
9. back, back up -- (establish as valid or genuine; "Can you back up your claims?")
10. back -- (strengthen by providing with a back or backing)
Overview of adj back
The adj back has 3 senses (first 2 from tagged texts)
1. (15) back -- (related to or located at the back; "the back yard"; "the back entrance")
2. (1) back, hind, hinder -- (located at or near the back of an animal; "back (or hind) legs"; "the hinder part of a carcass")
3. back -- (of an earlier date; "back issues of the magazine")
Overview of adv back
The adv back has 6 senses (first 6 from tagged texts)
1. (92) back -- (in or to or toward a former location; "she went back to her parents' house")
2. (36) back, backward, backwards, rearward, rearwards -- (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")
3. (24) back -- (in or to or toward an original condition; "he went back to sleep")
4. (15) back, backward -- (in or to or toward a past time; "set the clocks back an hour"; "never look back"; "lovers of the past looking fondly backward")
5. (14) back, in reply -- (in answer; "he wrote back three days later"; "had little to say in reply to the questions")
6. (1) back -- (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")