definition of
back

[1] #1 back r. in or to or toward a former location; "she went back to her parents' house". wn

[2] #2 back n. [dorsum] the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned". wn

[3] #3 back r. [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". wn

[4] #4 back r. in or to or toward an original condition; "he went back to sleep". wn

[5] #5 back a. related to or located at the back; "the back yard"; "the back entrance". wn