opening

Entry Definition
opening of h/ outer ear, h/ ear canal
edge of hole or opening in it (e.g., rim of basket, edge of hole in paper)
edge of hole or opening in h/ (e.g., rim of cup, edge of hole in tree)
edge of h/ ear or of opening in h/ ear
it has two holes or openings
(cave, tunnel, mine, etc.) it has mouth facing toward there
its opening faces in that direction
there is an opening (in woods, etc.)
(in woods) clearing, opening
h/ mouth opening, h/ oral cavity