An"nu*lar (?), a. [L. annularis, fr.
annulis ring: cf. F. 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.
Annular eclipse (Astron.), 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.