|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|the offspring of a zebra and a donkey.|
calcar cal·car (kāl'kär')
n. pl. cal·car·i·a (kāl-kâr'ē-ə)
|calcar (kāl'kär') Pronunciation Key
A spur or spurlike projection, such as one found on the base of a petal or on the wing or leg of a bird.