To step or turn aside; to deviate; to swerve; especially, to turn aside from the main subject of attention, or course of argument, in writing or speaking.
To turn aside from the right path; to transgress; to offend.
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