|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
macrocephaly mac·ro·ceph·a·ly (māk'rō-sěf'ə-lē) or mac·ro·ce·pha·li·a (-sə-fā'lē-ə, -fāl'yə)
Abnormal largeness of the head. Also called megacephaly, megalocephaly.