ocellus

名词 ocellus:

1. an eye having a single lens
   同义词：simple eye, stemma
2. an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color
   同义词：eyespot

o.cel.lus

n.（名词）
【复数】 o.cel.li[ô-sμl.o.]
A small simple eye, found in many invertebrates, usually consisting of a few sensory cells and a single lens.
单眼：小而简单的眼，出现于多种无脊椎动物，通常含有一些感官细脆和单一眼睛水晶体
A marking that resembles an eye, as on the tail feathers of a male peacock; an eyespot.
眼状斑：象眼睛似的斑，如在雄孔雀的尾部的羽毛上

来源：
Latin [diminutive of] oculus [eye] * see ok w-
拉丁语 [] oculus的小后缀 [眼] *参见 ok w-

【引伸】
ocel.lar