co·mal I. \ˈkōməl\adjective Etymology:coma (II) + -al botany: having or being a coma < a comal tuft > II. \kōˈmäl\noun (pluralcomals \-lz\ ; orcoma·les \-(ˌ)lās\) Etymology: American Spanish, from Nahuatl comalli 1.: a flat slab of sandstone used as a griddle 2.: a griddle of earthenware or metal