The definition of “Commercial”

Occupied with or engaged in (commerce) the exchange or buying and selling of commodities (merchandise)
on a large scale involving transportation from place to place

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Main Entry: 1com•mer•cial
Pronunciation: \k?-'m?r-sh?l\ Function: adjective
1 a (1) : occupied with or engaged in commerce or work intended for

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Main Entry: 1com•merce
Pronunciation: \'kä-(?)m?rs\ Function: noun
Etymology: Middle French, from Latin commercium, from com- + merc-, merx merchandise
1 : the exchange or buying and selling of commodities on a large scale involving transportation from place to place