grap·nel /ˈgræpnḷ/
 小錨,抓鉤
 Grap·nel n.  Naut. A small anchor, with four or five flukes or claws, used to hold boats or small vessels; hence, any instrument designed to grapple or hold; a grappling iron; a grab; -- written also grapline, and crapnel.
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 grapnel
      n 1: a tool consisting of several hooks for grasping and holding;
           often thrown with a rope [syn: grapple, grappler, grappling
           hook, grappling iron]
      2: a light anchor for small boats [syn: grapnel anchor]