1. a scar where the umbilical cord was attached (Freq. 2) - you were not supposed to show your navel on television - they argued whether or not Adam had a navel - she had a tattoo just above her bellybutton • Syn: umbilicus, bellybutton, belly button, omphalos, omphalus • Derivationally related forms: umbilical (for: umbilicus) • Hypernyms: point • Part Holonyms: abdomen, venter, stomach, belly 2. the center point or middle of something - the Incas believed that Cuzco was the navel of the universe • Syn: navel point • Hypernyms: center, centre, midpoint