I. ˈkalˌkär noun
( plural calcar·ia kalˈka(a)rēə)
Etymology: Latin, spur, from calc-, calx heel
: a spur or spurlike prominence: as
a. : a clawlike process on the leg or wing of a bird that is not the termination of a digit
b. : a process of the calcaneum of a bat helping to support the web between the leg and tail — see bat illustration
c. : a spur at the end of the tibia of an insect
d. : prehallux
II. noun
( -s )
Etymology: Italian calcara, from Late Latin calcaria limekiln, from Latin calc-, calx lime — more at chalk
: an oven or reverberatory furnace used in early glassmaking processes for calcination of the batch into frit