invaginate: Meaning and Definition of

in•vag•i•nate

1. to insert or receive, as into a sheath; sheathe.
2. to fold or draw (a tubular organ) back within itself; intussuscept.

1. to become invaginated; undergo invagination.
2. to form a pocket by turning in.

1. folded or turned back upon itself.
2. sheathed.