noun

• (uncountable) A Middle Eastern food in the form of balls made from chickpeas or broad beans and other ingredients, often served in a pita.
  "There's a stall at the market that sells fantastic falafel."
• (countable) A pita with falafel balls as a filling.
  "I ate lafa — falafel with all the regular stuffings and sauces wrapped in a pizza size pita instead of being stuffed in it. Etai ordered a regular falafel. My lafiz was twice the size of his falafel and although neither of us could finish the lafiz, we embarked on it together."
• (countable) A single falafel ball.
  "The stallholder puts salad into an open pita bread, followed by the four falafels, and then liberally covers them with hummus."