jetties

/JH EH1 T IY0 Z/
noun
  1. 1

    A structure of wood or stone extended into the sea to influence the current or tide, or to protect a harbor or beach.

  2. 2

    A wharf or dock extending from the shore.

  3. 3

    A part of a building that jets or projects beyond the rest, and overhangs the wall below.

Source: https://en.wiktionary.org/wiki/jetties, https://en.wiktionary.org/wiki/jetty