eye·let /ˈaɪlət/
 小孔,孔眼,針眼,金屬圈
 Eye·let n.
 1. A small hole or perforation to receive a cord or fastener, as in garments, sails, etc.
 2. A metal ring or grommet, or short metallic tube, the ends of which can be bent outward and over to fasten it in place; -- used to line an eyelet hole.
 Eyelet hole, a hole made for an eyelet.
 Eyelet punch, a machine for punching eyelet holes and fastening eyelets, as in paper or cloth.
 Eyelet ring.  See Eyelet, 2.
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 eyelet
      n 1: a small hole (usually round and finished around the edges)
           in cloth or leather for the passage of a cord
      2: fastener consisting of a metal ring for lining a small hole
         to permit the attachment of cords or lines [syn: cringle,
          loop, grommet, grummet]