CWUThere are multiple definitions:canal wall-up [tympanomastoidectomy](English)ABG, PORP, TMA, TORPENT, Surgeryhttps://doi.org…b013e3181cc04b5https://doi.org…1002/lary.27848Child Wellbeing Unit(English)CPU, CYFPediatrics, Well-Being, Health care« CWTSCWWZ »