Main Entry: pro·mot·er

Pronunciation: \-ˈmō-tər\

Function: noun

Date: 14th century

1 : one that promotes; especially : one who assumes the financial responsibilities of a sporting event (as a boxing match) including contracting with the principals, renting the site, and collecting gate receipts
2 obsolete : prosecutor
3 : a substance that in very small amounts is able to increase the activity of a catalyst
4 : a binding site in a DNA chain at which RNA polymerase binds to initiate transcription of messenger RNA by one or more nearby structural genes