/ Dictionary / Index A amphikaryon: Meaning and Definition of Find definitions for: am•phi•kar•y•on Pronunciation: (am"fi-kar'ē-on", -ē-un), [key] — n. Biol. a diploid nucleus. Cf. hemikaryon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amphigouri Amphilochus Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language