Three line menu? Navicon? Drawer? Menu Icon? Side Swipe? Three stripes? Hamburger?
mobile, responsive-design, user-controls, user-interface, web
Solution
Earliest reference has the name as Menu Button as created by Norm Cox and Xerox circa 1990...
http://vimeo.com/61556918
http://gizmodo.com/who-designed-the-iconic-hamburger-icon-1555438787
Problem
During a design meeting the question came up "What is the name of the component with three horizontal lines?" It's common in mobile apps and mobile web, visualizing something to swipe. Googling the subject it seems Navicon or Drawer are used often, though I also see Side Swipe and even Hamburger. Trying to arrive at a consensus...