Annular (adjective)

1. Shaped like a ring.
2. Having a ring or rings.

Origin:

Early 17th century, from latin annularis (ring-shaped), from annulus (ring), from anulus (small ring).

Examples:

1. An annular eclipse is a type of solar eclipse in which the Moon"s apparent diameter is smaller than the Sun"s.
2. The annular rings of the tree trunk can be used to determine its age.
3. The snake has an annular body.
4. Annular muscles are responsible for creating the ring-like shape of the snake's body.
5. Annular ligament is a ring-like structure that surrounds a joint.