/ Dictionary / Index S siphonage: Meaning and Definition of Find definitions for: si•phon•age Pronunciation: (sī'fu-nij), [key] — n. the action of a siphon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. siphon siphonapterous 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