noun
: a layer of defective or poor-quality concrete (as in a wall) caused by the accumulation of excess mixing water and fine material at the surface of a pour
noun
: a layer of defective or poor-quality concrete (as in a wall) caused by the accumulation of excess mixing water and fine material at the surface of a pour
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012