From Longman Dictionary of Contemporary Englishpixpix /pɪks/ noun [plural] informalDPICTURE pictures or photographs
Examples from the Corpus
pix• The cry went up for more pix.• Look at my pix, the resemblance is stunning.• With those pix and the copy he would concoct, he would be in line for a handsome bonus.Origin pix (1900-2000) pics, plural of pic 