pall1 / pôl/ • n. 1. a cloth spread over a coffin, hearse, or tomb. ∎ fig. a dark cloud or covering of smoke, dust, or similar matter: a pall of black smoke hung over the quarry. ∎ fig. something regarded as enveloping a situation with an air of gloom, heaviness, or fear: torture and murder have cast a pall of terror over the villages.2. an ecclesiastical pallium. ∎ Heraldry a Y-shaped charge representing the front of an ecclesiastical pallium.pall2 • v. [intr.] become less appealing or interesting through familiarity: the novelty of the quiet life palled.