洗う (あらう) means 'to wash.' This verb is used for washing clothes, dishes, hands, or even a car. For example, '手を洗います' (Te o araimasu) means 'I wash my hands.' It's a transitive verb requiring an object.

洗う (あらう) は「洗う」という意味です。手や服、皿などを洗うときに使います。「手を洗います」