CIRCINATE
annular, annulate, annulated, circinate, ringed, ring-shaped, doughnut-shaped
(adjective) shaped like a ring
Source: WordNet® 3.1
Etymology
Adjective
circinate (not comparable)
(botany) Used of leaves or similar parts that are coiled on themselves from the apex toward their base.
(medicine) Round or ring-shaped, particularly with distinct margins forming some sort of motive; annular.
Usage notes
• Most often the term is used in botany with regard to the way a leaf is "packaged" inside a bud.
Anagrams
• anicteric
Source: Wiktionary
Cir"ci*nate, a. Etym: [L. circinatus, p. p. of circinare to make
round, fr. circinus a pair of compasses, from Gr. (Bot.)
Definition: Rolled together downward, the tip occupying the center; -- a
term used in reference to foliation or leafing, as in ferns. Gray.
Cir"ci*nate, v. t.
Definition: To make a circle around; to encompass. [Obs.] Bailey.
Source: Webster’s Unabridged Dictionary 1913 Edition