1. the constellation Pleiades whose appearance on the horizon at dusk begins the traditional year in many societies; yar i makim taim bilong planim yam the constellation Pleiades marks the time for planting yams;
  2. a species of casuarina used in the highlands as a fallow tree; ol Hailans i yusim yar long wokim banis Highlanders use the timber from casuarina trees to build a fence;
  3. year (also yia).