1. programmable interrupt controller.2. A graphics language by Brian Kernighan, for textually describing pictures with troff.[Featured in "More Programming Pearls", Jon Bentley].["PIC - A Language for Typesetting Graphics", B.W. Kernighan, Soft Prac & Exp 12(1):1-21 (Jan 1982)].["PIC - A Graphics Language for Typesetting, Revised User Manual", Bell Labs TR 116, Dec 1984].(1994-10-28)3. personal intelligent communicator.(2001-04-30)