/ Dictionary / Index S sterigma: Meaning and Definition of Find definitions for: ste•rig•ma Pronunciation: (stu-rig'mu), [key] — pl. -ma•ta a small stalk that bears a sporangium, a conidium, or esp. a basidiospore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. steric hindrance sterilant Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language