The addition of dry hops to fermenting or maturing beer to increase its hop character or aroma. (Not the bloke who goes from pub to pub and doesn't drink anything.)
Found on http://www.encyclo.co.uk/local/20652
the practice of adding hops to the primary or secondary fermenter (or to finished beer) to increase the aroma and hop flavor of the beer without increasing its bitterness. Found on https://byo.com/resources/glossary
the addition of hops near the end of the brewing process to impart aroma. The hops are par-boiled (so are not strictly 'dry')
Found on https://www.encyclo.co.uk/local/20454
Adding hops after the boil or even in the cask to increase hop aroma and flavor. This is most often seen in various types of ales, but not in lagers. Found on https://www.encyclo.co.uk/local/21582