From Longman Dictionary of Contemporary Englishpull down phrasal verb1 pull something ↔ downTBCDESTROY to destroy something or make it stop existing My old school was pulled down.2 pull down something to earn a particular amount of money Real estate stocks pulled down total returns of 35.7 percent.3 pull somebody downWORSE to make someone less successful, happy, or healthy Her problems have really pulled her down.4 pull down a menuTD to make a computer program show you a list of the things it can do → pull→ See Verb table
Examples from the Corpus
pull down a menu• I could not pull down a menu.• The program uses pull down menus and is easy to follow.• The program has a pull down menu interface for ease of use.• The pull down menus make the game easy to play and the smooth animation help keep the interest of younger players.From Longman Business Dictionarypull-downˈpull-down adjective [only before a noun] COMPUTING a pull-down menu (=list of things on a computer screen which you can ask the computer to do) appears on your computer screen when you press the right-hand button of the mouseSYNdrop-downpull downˈpull down noun [countable] COMPUTING a list of possible choices that appears on your computer screen when you press the right-hand button of the mouseSYNdrop down 