ˈanyələ(r) adjective
Etymology: Middle French or Latin; Middle French annulaire, from Latin annularis, anularis, from annulus, anulus ring — more at annulus
1.
a. : of or relating to a ring : forming a ring : shaped like a ring
annular growths in the trunk of a tree
b. chemistry : cyclic
2. : banded, marked, or thickened in circles
an annular cell of a plant
• an·nu·lar·ly adverb