do business

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do business (third-person singular simple present does business, present participle doing business, simple past did business, past participle done business)

1. (intransitive) To be engaged in business, to be involved in commerce or trade.

   I simply refuse to do business with such ruffians.

2. (slang) Especially of a house pet: to urinate or defecate.

• (urinate or defecate): take care of business, see also Thesaurus:urinate

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