Use Retin-A exactly as your doctor has prescribed it for you. Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended. Do not take by mouth. Retin-A is for use only on the skin.
Definition of wall for English Language Learners : a structure of brick, stone, etc., that surrounds an area or separates one area from another : the structure that forms the side of a room or building
Freebase(0.00 / 0 votes)Rate this definition: The Wall. The Wall is the eleventh studio album by the English progressive rock group Pink Floyd. Released as a double album on 30 November 1979, it was subsequently performed live with elaborate theatrical effects, and adapted into a feature film, Pink FloydâThe Wall. As with the band's previous three LPs, The Wall is a concept album and deals largely with themes of abandonment and personal isolation.