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 make something loose.
To become loose.
To become less severe or tense.
To make something (such as codes and regulations) more lenient.
To calm down.
To relieve (something) from stress.
To make something less severe or tense.
To become more lenient.