cringle

名词 cringle:

1. fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
   同义词：eyelet, loop, grommet, grummet

crin.gle

n.Nautical （名词）【航海】
A small ring or grommet of rope or metal fastened to the edge of a sail.
索环：一种固定于帆船边沿的绳索或金属上的小环圈或索眼

来源：
Low German kringel [diminutive of] kring [ring]
低地德语 kringel [] kring的小后缀 [圈环]
from Middle Low German
源自 中古低地德语