calcar noun2 •A spur-like projection.... The calcaria are frequently specified in the taxonomy of insects and are [...] a calcar is known as a strigilis. [...] A calcar and sometimes some of the adjacent setae are used for closing the[…] — 1923 •A small oven or furnace, used for the calcination of sand and potash, and converting them into frit. formscalcaria · calcars
