home w Ben Anderson washer wash⋅er [wosh-er, waw-sher] –noun 1. someone who washes things for a living.  2. seal consisting of a flat disk placed to prevent leakage  3. a home appliance for washing clothes and linens automatically  a b c d e f g h i j k l m n o p q r s t u v w x y z wait warpath waiting wall wash washing-machine washer waterfall watermelon waterproof weather water-canon wei-wou