row·lock /ˈrɑlək, ˈrʌ; ˈroˌlɑk/
  槳架;槳叉
  Row·lock n.
  1. Naut. A contrivance or arrangement serving as a fulcrum for an oar in rowing. It consists sometimes of a notch in the gunwale of a boat, sometimes of a pair of pins between which the oar rests on the edge of the gunwale, sometimes of a single pin passing through the oar, or of a metal fork or stirrup pivoted in the gunwale and suporting the oar; same as oarlock. [Chiefly Brit.]
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  rowlock
       n : a holder attached to the gunwale of a boat that holds the
           oar in place and acts as a fulcrum for rowing [syn: peg,
            pin, thole, tholepin, oarlock]