circinate

from WordNet (r) 3.0 (2006)

circinate
    adj 1: shaped like a ring [syn: {annular}, {annulate},
           {annulated}, {circinate}, {ringed}, {ring-shaped},
           {doughnut-shaped}]

from The Collaborative International Dictionary of English v.0.48

Circinate \Cir"ci*nate\, a. [L. circinatus, p. p. of circinare
   to make round, fr. circinus a pair of compasses, from Gr. ? a
   circle.] (Bot.)
   Rolled together downward, the tip occupying the center; -- a
   term used in reference to foliation or leafing, as in ferns.
   --Gray.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Circinate \Cir"ci*nate\, v. t.
   To make a circle around; to encompass. [Obs.] --Bailey.
   [1913 Webster]

grant@antiflux.org