shutter priority

Noun

 * 1)  A setting in many professional-grade and advanced-amateur-grade cameras which allows a photographer to manually set the shutter speed of an exposure while the camera then automatically selects the correct aperture setting for that exposure.
 * 2) * 2006 August 22, Dave Johnson, "Making the Most of Shutter Priority Mode," PC World (reposted on techhive.com) (retrieved 25 Feb 2014) :
 * Most digital cameras (except for inexpensive auto-only models) have a shutter priority shooting mode. . . . [O]nce you select this setting, you can freely choose the shutter speed and the camera will set the matching aperture to properly expose the photo.