(adj) :
pertaining to, or having the form of, a ring; forming a ring; ringed; ring-shaped; as, annular fibers; in the shape of an annulus; banded or marked with circles
(adj) :
pertaining to, or having the form of, a ring; forming a ring; ringed; ring-shaped; as, annular fibers; in the shape of an annulus; banded or marked with circles