Resembling or containing calcium carbonate or limestone; chalky.

The quality of being calcareous.

In a calcareous manner.

A small oven or furnace, used for the calcination of sand and potash, and converting them into frit.

(botany, anatomy) A spur-like projection.

plural of calcar

(botany, zoology) Having a spur; spurred.

(soil science) calcareous

Alternative form of calcarate

Any of many sponges, of the class Calcarea, having skeletons composed of spicules of calcium carbonate