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; a globe; especially, one of the celestial spheres; a sun, planet, or star. In the small orb of one particular tear. Shak. Whether the prime orb, Incredible how swift, had thither rolled. Milton.

Bereaved; fatherless; childless. [Obs.]

The state of being orbate, or deprived of parents or children; privation, in general; bereavement. [Obs.] Bp. Hall.

Having the form of an orb; round. The orbèd eyelids are let down. Trench.

Spherical; orbicular; orblike; circular. [R.] Bacon.

A small orb, or sphere. [Obs.] G. Fletcher.

Same as Discina.

Resembling or having the form of an orb; spherical; circular; orbiculate. -- Or*bic"u*lar*ly, adv. -- Or*bic"u*lar*ness, n. Orbicular as the disk of a planet. De Quincey.

That which is orbiculate; especially, a solid the vertical section of which is oval, and the horizontal section circular.

Made, or being, in the form of an orb; having a circular, or nearly circular, or a spheroidal, outline. Orbiculate leaf (Bot.), a leaf whose outline is nearly circular.

The state or quality of being orbiculate; orbicularness. Dr. H. More.

th described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon.

Of or pertaining to an orbit. "Orbital revolution." J. D. Forbes. Orbital index (Anat.), in the skull, the ratio of the vertical height to the transverse width of the orbit, which is taken as the standard, equal to 100.

Orbital. [R.] Dunglison.

Situated around the orbit; as, the orbitary feathers of a bird.

A division of spiders, including those that make geometrical webs, as the garden spider, or Epeira.

A genus of living Foraminifera, forming broad, thin, circular disks, containing numerous small chambers.

Of or pertaining to the orbit and the nose; as, the orbitonasal, or ophthalmic, nerve.

Of or pertaining to the sphenoid bone and the orbit, or to the orbitosphenoid bone. -- n.

Of or pertaining to the orbitosphenoid bone; orbitosphenoid.