/ Dictionary / Index P PC card: Meaning and Definition of Find definitions for: PC card Pronunciation: [key] a small, removable, externally accessible circuit board housing a device, as a modem or disk drive, and conforming to the PCMCIA standard: used esp. for laptop computers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. PC board P-Celtic Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language