calcar 1
/kal"kahr/ , n. , pl. calcaria /kal kair"ee euh/ . Biol.
a spur or spurlike process.
[ calc-, s. of calx heel, CALX + -ar, shortening of -are, neut. of -aris -AR 1 ]
calcar 2
/kal"kahr/ , n. , pl. calcaria /kal kair"ee euh/ . Glassmaking.
a reverberatory furnace for preparing frit.
[ 1655-65; calcara calcaria lime-kiln, equiv. to L calc- lime (see CHALK) + -aria -ARY ]