1. (noun) the posterior part of a human (or animal) body from the neck to the end of the spine

• back

1. (noun) the posterior part of a human (or animal) body from the neck to the end of the spine

• body part

2. (noun) the back of the body of a vertebrate or any analogous surface (as the upper or outer surface of an organ or appendage or part)

• body part

1. (noun) the posterior part of a human (or animal) body from the neck to the end of the spine

• dorsal

2. (noun) the back of the body of a vertebrate or any analogous surface (as the upper or outer surface of an organ or appendage or part)

• dorsal