Godan verb with 'u' ending, Transitive verb
to use (a tool, method, etc.); to make use of; to put to use
「あなたの辞書を使ってもいいですか」「はい、どうぞ」"Can I use your dictionary?" "Yes, here you are." to use (a person, animal, puppet, etc.); to employ; to handle; to manage; to manipulate
to use (time, money, etc.); to spend; to consume
to use (language); to speak
Also written 遣う【つかう】