会う (あう) means 'to meet' someone. You often use the particle 'に' to indicate the person you are meeting. For example, '友達に会います' (Tomodachi ni aimasu) means 'I meet my friend.' It's a common verb for social interactions.

会う (あう) は「会う」という意味です。誰かと会うときに使います。「友達に会います」のように使います。