OMPHALOMESENTERIC
Om`pha*lo*mes`en*ter"ic, a. Etym: [Omphalo- + mesenteric.] (Anat.)

Defn: Of or pertaining to the umbilicus and mesentery; omphalomesaraic; as, the omphalomesenteric arteries and veins of a fetus.

OMPHALOPSYCHITE
Om`pha*lop"sy*chite, n. Etym: [Omphalo- + Gr. omphalopsyque.]
(Eccl.Hist.)

Defn: A name of the Hesychasts, from their habit of gazing upon the navel.

OMPHALOPTER; OMPHALOPTIC
Om`pha*lop"ter, Om`pha*lop"tic, n. Etym: [Gr. omphaloptre.]

Defn: An optical glass that is convex on both sides. [Obs.] Hutton.

OMPHALOS
Om"pha*los, n. Etym: [L., fr. Gr. (Anat.)

Defn: The navel.

OMPHALOTOMY
Om`pha*lot"o*my, n. Etym: [Gr. omphalotomie.] (Surg.)

Defn: The operation of dividing the navel-string.