Source : Webster's Revised Unabridged Dictionary (1913)

Orbicular \Or*bic"u*lar\, a. [L. orbicularis, fr. orbiculus,
   dim. of orbis orb: cf. F. orbiculaire.]
   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.

Source : WordNet®

orbicular
     adj 1: circular or nearly circular [syn: {orbiculate}]
     2: having the shape of a sphere or ball; "a spherical object";
        "nearly orbicular in shape"; "little globular houses like
        mud-wasp nests"- Zane Grey [syn: {ball-shaped}, {global},
        {globose}, {globular}, {spheric}, {spherical}]