circinate

circinate
[ˈsəːsɪnət, -eɪt]
adjective
  1. (Botany)rolled up with the tip in the centre, for example the young frond of a fern
    (植)拳卷的,旋卷的(如蕨类植物的嫩叶)
    ■(Medicine)circular in appearance
    (医)环状的,环形的
语源
  1. early 19th cent.: from Latin circinatus, past participle of circinare 'make round', from circinus 'pair of compasses'
英语宝典
考试词汇表