Webster's Revised Unabridged Dictionary · 1913

Annular

Annular ({not transcribed}) , adjective

[Latin annularis, from annulis ring: compare French annulaire.]

1.
Pertaining to, or having the form of, a ring; forming a ring; ringed; ring-shaped; as, annular fibers.
2.
Banded or marked with circles.
Collocations (1)
Annular eclipse (Astronomy) , an eclipse of the sun in which the moon at the middle of the eclipse conceals the central part of the sun's disk, leaving a complete ring of light around the border.