Defn: 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.

CALCARATE; CALCARATED
Cal"ca*rate, Cal"ca*ra`ted, a. Etym: [LL. calcaratus, fr. L. calcar.
See 2d Calcar.]

1. (Bot.)

Defn: Having a spur, as the flower of the toadflax and larkspur; spurred. Gray.

2. (Zoöl.)

Defn: Armed with a spur.

CALCAREO-ARGILLACEOUS
Cal*ca"re*o-ar`gil*la"ceous, a.

Defn: consisting of, or containing, calcareous and argillaceous earths.

CALCAREO-BITUMINOUS
Cal*ca"re*o-bi*tu"mi*nous, a.