Breadcrumb Home > Dictionary > Index A acicular: Meaning and Definition of Find definitions for: a•cic•u•lar Pronunciation: (u-sik'yu-lur), [key] — adj. needle-shaped. (of cast iron) containing ferrite in a needlelike form. (of an alloy) having a microstructure of needlelike components. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acicular (Thesaurus) acicula aciculate TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: concatenate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language