石头因风化遇水而形成的裂纹 [cracks marks of perforations on rocks caused by actions of waves]

泐,水石之理也。——《说文》

(1) 裂开;解裂 [split of rocks according to their natural veins]

石有时以泐,水有时以凝,有时以泽,此天时也。——《周礼·考工记》

(2) 铭刻,用刻刀书写 [carve]。如:泐石

(3) 用钢笔或铅笔在纸上或其它材料上记录书写 [write]。如:手泐