HANDWASH Meaning of HANDWASH in English hand ‧ wash /ˈhændwɒʃ $ -wɒːʃ, -wɑːʃ/ BrE AmE verb [transitive] if you handwash a piece of clothing, you wash it by hand, not in a washing machine Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012