rowlocks

/R OW1 L AA0 K S/
noun
  1. 1

    A pivot attached to the gunwale (outrigger in a sport boat) of a boat that supports and guides an oar, and provides a fulcrum for rowing; an oarlock (mostly US).

Source: https://en.wiktionary.org/wiki/rowlock, https://en.wiktionary.org/wiki/rowlocks