pustule Copy link Outline 1. pustŭla2. pūsŭla • pustule: 1. pustŭla: Cels. 5, 28, 15 Sen. Ep. 72: Plin. 20, 22, 87. 2. pūsŭla: Plin. 20, 6, 21: Mart. 14, 167.