What is "lulav"

n. (context in Jewish ritual English) A festive bouquet of willow, myrtle and palm

Lulav ( or Yemenite pronunciation ; ) is a closed frond of the date palm tree. It is one of the Four Species used during the Jewish holiday of Sukkot. The other Species are the hadass ( myrtle), aravah ( willow), and etrog ( citron). When bound together, the lulav, hadass, and aravah are commonly referred to as "the lulav".