#thole__peg__tholepin__rowlock__oarlock  a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing
  supertype:  holder  a holding device; "a towel holder"
  part of:  dinghy__dory__rowboat  a small boat of shallow draft with cross thwarts for seats and rowlocks for oars with which it is propelled

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