/ Dictionary / Index S siskin: Meaning and Definition of Find definitions for: sis•kin Pronunciation: (sis'kin), [key] — n. any of several small, cardueline finches, esp. Carduelis spinus, of Europe. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: siskin (Thesaurus) Sisinnius Sisler Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language