circinate

adjective

cir·​ci·​nate ˈsər-sə-ˌnāt 

: rounded, coiled

especially : rolled in the form of a flat coil with the apex as a center

circinate fern fronds unfolding

circinately adverb

Word History

Etymology

Latin circinatus, past participle of circinare to round, from circinus pair of compasses, from circus

First Known Use

1830, in the meaning defined above

Medical Definition

circinate

adjective

cir·​ci·​nate ˈsər-sᵊn-ˌāt 

of lesions

: having a sharply circumscribed and somewhat circular margin

scaly circinate dermatophytids