Definition of let

• the most brutal terrorist group active in Kashmir; fights against India with the goal of restoring Islamic rule of India; "Lashkar-e-Toiba has committed mass murders of civilian Hindus"
• a serve that strikes the net before falling into the receivers court; the ball must be served again
• make it possible through a specific action or lack of action for something to happen; "This permits the water to rush in"; "This sealed door wont allow the water come into the basement"; "This will permit the rain to run off"