Well if you broke up with your boyfriend or girlfriend, and you get back together that is what the term take back means. Well as best as I know.
Repeal is to take back, or to cancel, a law
It is presumed to mean, "Tanker Take Over." Though there is no such term.
Bare back means to have sex without a condom. Bear back means you have a very hairy back.
retract
retract
If by "straight back" you mean "directly behind the aircraft" then the term is "6 o'clock" or "my/ your six".
to take the cross
The term segregate means to divide or to put into different groups, to separate. The term regregate means to put back together into one group.
to give back
Lumbago is an old-fashioned medical term for low back pain.
Yes. :)
Take As Needed