(American football) the position of a player on a football team who is stationed behind the line of scrimmage | the side that is seen or that goes first |
the side that goes last or is not normally seen | the outward appearance of a person |
a support that you can lean against while sitting | a group of people with a common ideology who try together to achieve certain general goals |
the part of a garment that covers the back of your body | the side that is forward or prominent |
the protective covering on the front, back, and spine of a book | the line along which opposing armies face each other |
the posterior part of a human (or animal) body from the neck to the end of the spine | the part of something that is nearest to the normal viewer |
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord | the immediate proximity of someone or something |
the part of something that is furthest from the normal viewer | a person used as a cover for some questionable activity |
(football) a person who plays in the backfield | (meteorology) the atmospheric phenomenon created at the boundary between two different air masses |
| a sphere of activity involving effort |