The standard iOS terms are tap, drag, flick, swipe, double tap, pinch, and touch and hold. Somebody put some thought into making them unambiguous. (The difference between flick and swipe is hard to explain, but meaningful to experienced users.)
See "Apps Respond to Gestures, Not Clicks" in Apple's iOS Human Interface Guidelines: http://developer.apple.com/library/ios/documentation/userexperience/conceptual/mobilehig/MobileHIG.pdf And also: https://developer.apple.com/library/mac/documentation/UserExperience/Conceptual/APStyleGuide/APSG_2009.pdf
