2. (Gr. & Rom. Antiq.)
Defn: An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled. Dr. W. Smith.
3. (Bot.)
Defn: The hilum.
4. (Zoöl.) (a) A depression or opening in the center of the base of many spiral shells. (b) Either one of the two apertures in the calamus of a feather.
5. (Geom.) (a) One of foci of an ellipse, or other curve. [Obs.] (b) A point of a surface at which the curvatures of the normal sections are all equal to each other. A sphere may be osculatory to the surface in every direction at an umbilicus. Called also umbilic.
UMBLE PIE
Um"ble pie`.
Defn: A pie made of umbles. See To eat humble pie, under Humble.
UMBLES
Um"bles, n. pl. Etym: [See Nombles.]
Defn: The entrails and coarser parts of a deer; hence, sometimes, entrails, in general. [Written also humbles.] Johnson.