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
To trip or fall; to walk clumsily.
To cause to stumble or trip.
To make a mistake or have trouble.
To strike or happen (upon a person or thing) without design; to fall or light by chance; with on, upon, or against.
To mislead; to confound; to cause to err or to fall.
An error or blunder.
A fall, trip or substantial misstep.
A clumsy walk.