shampoosham‧poo1 /ʃæmˈpu/ ●●● noun (plural shampoos) [countable, uncountable] 
a liquid soap used for washing your hair [Origin: 1700–1800 Hindi cãpo, from cãpna “to press, shampoo”]
a liquid soap used for washing your hair [Origin: 1700–1800 Hindi cãpo, from cãpna “to press, shampoo”]
