- (n.) One of a suit of playing cards, stamped with the figure of a diamond.
- (n.) The smallest kind of type in English printing, except that called brilliant, which is seldom seen.
- (n.) A geometrical figure, consisting of four equal straight lines, and having two of the interior angles acute and two obtuse; a rhombus; a lozenge.
- (n.) A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.
- (n.) The infield; the square space, 90 feet on a side, having the bases at its angles.
- (n.) A pointed projection, like a four-sided pyramid, used for ornament in lines or groups.
- (a.) Resembling a diamond; made of or abounding in, diamonds; as, a diamond chain; a diamond field.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). diamond. Retrieved September 21, 2026, from http://smartdefine.org/diamond/definitions/1997229 |
| Chicago | Webster's. 2011. "diamond" http://smartdefine.org/diamond/definitions/1997229 (accessed September 21, 2026). |
| Harvard | Webster's 2011, diamond, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/diamond/definitions/1997229>. |
| MLA | Webster's. "diamond" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/diamond/definitions/1997229> |