Denshi Jisho — Online Japanese dictionary

使う つかう 1: to use (a thing, method, etc.); to make use of; to put to use;
2: to use (a person, animal, puppet, etc.); to employ; to handle; to manage; to manipulate;
3: to use (time, money, etc.); to spend; to consume;
4: to use (language); to speak;
5: (Idiomatic expression) to take (one's lunch); to circulate (bad money)
Common word, Godan verb with u ending, Transitive verb 

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