To reverse (a vehicle) from a confined space.
To withdraw from something one has agreed to do.
To exit a mode or function.
To draw from behind the back [+accusative = a knife etc.] (as also bare back).
To undo (a change).
Coordinate terms: cancel, call off, get cold feet
See also: sell short
To dare (someone) to not withdraw from a challenge.
To bet on someone losing.
Coordinate term: scare off
To turn or fold inwardly.
To fold inward to create a hollow space where none had existed, as with a gastrula forming from a blastula.
To fold up or enclose into a sheath-like or pouch-like structure, either naturally or as part of a surgical procedure.
Having one portion of a hollow organ drawn back within another portion.
sheathed