1) Abnormal condition 2) Abnormalcy 3) Abnormality 
Abnormal projection of the umbilicus. ... Origin: acro-+ G. Omphalos, umbilicus ... (05 Mar 2000) ... 
(ә-krom´fә-lәs) bulging of the navel; sometimes a sign of umbilical hernia. the center of the navel.
Type: Term Pronunciation: ak-rom′fal-ŭs Definitions: 1. Abnormal projection of the umbilicus.
[n] - abnormal protrusion of the navel
acromphalus Prominence of the navel, as may be seen in umbilical hernia.
noun abnormal protrusion of the navel; sometimes the start of umbilical hernia