/ Dictionary / Index S siphonapterous: Meaning and Definition of Find definitions for: si•pho•nap•ter•ous Pronunciation: (sī"fu-nap'tur-us), [key] — adj. belonging or pertaining to the insect order Siphonaptera, comprising the fleas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. siphonage siphon bottle Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language