oculus

名词 oculus:

1. the organ of sight
   同义词：eye, optic

oc.u.lus

n.Architecture （名词）【建筑学】
pl. oc.u.li[-lo.]
An eyelike opening or ornament, especially:
眼状开口，眼状装饰：像眼睛的开口或装饰，尤指：
A round window.
圆窗
A circular opening at the apex of a dome.
圆顶顶尖的圆形开口

来源：
Medieval Latin
Medieval Latin
from Latin [eye] * see ok w-
from Latin [eye] *参见 ok w-