/ Dictionary / Index P PC board: Meaning and Definition of Find definitions for: PC board Pronunciation: [key] — Electronics. Electronics. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. PCB PC card Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language