¹ Source: wiktionary.com
Medical Definition of Macrocheilia
1. 1. Abnormally enlarged lips. Synonym: macrolabia. 2. Cavernous lymphangioma of the lip, a condition of permanent swelling of the lip resulting from the presence of greatly distended lymphatic spaces. Synonym: macrochilia. Origin: macro-+ G. Cheilos, lip (05 Mar 2000)