Breadcrumb Home > Dictionary Cite Meaning of dorsi- Find definitions for: dorsi- Pronunciation: [key] a combining form representingorin compound words: dorsispinal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dorsetshire dorsiferous Related Content Daily Word Quiz: erpsichore Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language