• (n.) A slight, navel-like depression, or dimpling, of the center of a rounded body; as, the umbilication of a smallpox vesicle; also, the condition of being umbilicated.
1. A pit or navel-like depression. ... 2. Formation of a depression at the apex of a papule, vesicle, or pustule. ... (05 Mar 2000) ... 
(әm-bil″ĭ-ka´shәn) a depression resembling the umbilicus.
Type: Term Pronunciation: ŭm-bil′i-kā′shŭn Definitions: 1. A pit or navellike depression. 2. Formation of a depression at the apex of a papule, vesicle, or pustule.
a central navellike depression. · an umbilicate condition or formation.