/ Dictionary / Index P physogastric: Meaning and Definition of Find definitions for: phy•so•gas•tric Pronunciation: (fī"su-gas'trik), [key] — adj. pertaining to the swollen, membranous abdomen of certain insects, esp. termite and ant queens. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. physoclistous physostigmine Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language