- (n.) A curved ridge in the floor of the leteral ventricle of the brain; the calcar avis, hippocampus minor or ergot.
- (n.) A kind of oven or reverberatory furnace, used for the calcination of sand and potash, and converting them into frit.
- (n.) A hollow tube or spur at the base of a petal or corolla.
- (n.) A spur or spurlike prominence.
- (n.) A slender bony process from the ankle joint of bats, which helps to support the posterior part of the web, in flight.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). calcar. Retrieved September 23, 2026, from http://smartdefine.org/calcar/definitions/1983805 |
| Chicago | Webster's. 2011. "calcar" http://smartdefine.org/calcar/definitions/1983805 (accessed September 23, 2026). |
| Harvard | Webster's 2011, calcar, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/calcar/definitions/1983805>. |
| MLA | Webster's. "calcar" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/calcar/definitions/1983805> |