Cal"car (?), n. [L. calcaria lime kiln, fr. calx, calcis, lime. See Calx.] Glass manuf.
A kind of oven, or reverberatory furnace, used for the calcination of sand and potash, and converting them into frit.
Ure.
© Webster 1913.
Cal"car, n.; L. pl. Calcaria (#). [L., a pur, as worn on the heel, also the spur of a cock, fr. calx, calcis, the heel.]
1. Bot.
A hollow tube or spur at the base of a petal or corolla.
2. Zool.
A slender bony process from the ankle joint of bats, which helps to support the posterior part of the web, in flight.
3. Anat. (a)
A spur, or spurlike prominence.
(b)
A curved ridge in the floor of the leteral ventricle of the brain; the calcar avis, hippocampus minor, or ergot.
© Webster 1913.