Main Entry: pla·gi·o·ceph·a·ly Pronunciation: "plA-jE-O-'sef-&-lE Function: noun Inflected Form: plural-lies : a malformation of the head marked by an oblique slant to the main axis of the skull and usually caused by closure of half of the coronal suture
plagiocephaly pla·gi·o·ceph·a·ly (plā'jē-ō-sěf'ə-lē) n. An asymmetrical deformity of the skull due to premature closure of the lambdoid and coronal sutures on one side.