a. rare. Bot. [f. L. circĭn-us pair of compasses, circle (a. Gr. κίρκῐν-ος, f. κίρκος) a circle + -AL: cf. F. circinal.] = CIRCINATE.
1880. Gray, Struct. Bot., iv. § 2. 133. Leaves are … Circinal or Circinate, when coiled from the apex downward.
