/ Dictionary / Index S secundine: Meaning and Definition of Find definitions for: sec•un•dine Pronunciation: (sek'un-dīn", -din), [key] — n. Bot. the inner integument of an ovule. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Secunderabad secundus Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language