transcription, транскрипция: [ ʌmˈbɪlɪkəs ]
n. (pl. umbilici or umbilicuses) 1 Anat. the navel. 2 Bot. & Zool. a navel-like formation. 3 Geom. a point in a surface through which all cross-sections have the same curvature. [L, rel. to Gk omphalos and to NAVEL]