noun. In entomology, one of the spines at the tips of the tibiæ of certain insects, especially the Hymenoptera. Also called spur.

noun. In glass-works, an oven or furnace for calcining the materials of frit, prior to melting. Also called fritting-furnace.

noun. In metallurgy, an annealing-arch or -oven.

noun. In botany, a spur; a hollow projection from the base of a petal or sepal; the nectary (nectarium) of Linnæus.

noun. In anatomy, a projection into the posterior horn of the lateral ventricle of the brain of man and some other mammals; the calcar avis or hippocampus minor.

noun. In ornithology, a spur.

noun. In Rotifera, a spur-like setigerous process more or less closely attached to the single ganglion of these animals, near the trochal disk.

noun. In Chiroptera, a slender elongated bone or cartilage upon the inner side of the ankle-joint, assisting in the support of the patagium.

noun. [capitalized] [NL.] In entomology, a genus of atracheliate beetles, of the family Tenebrionidæ.

noun. [capitalized] [NL.] In conchology, a genus of mollusks.

noun. The spur forming part of any ceremonial costume.

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

noun. A hollow tube or spur at the base of a petal or corolla.

noun. A slender bony process from the ankle joint of bats, which helps to support the posterior part of the web, in flight.

noun. undefined

noun. A spur, or spurlike prominence.

noun. A curved ridge in the floor of the leteral ventricle of the brain; the calcar avis, hippocampus minor, or ergot.

noun. A small oven or furnace.

noun. A spur-like projection.

"II i 217-18 'uatibus addere _calcar_/ut studio maiore petant Helicona uirentem'."

calcariform