Or·bic'u·lar adjective [ Latin orbicularis , from orbiculus , dim. of orbis orb: confer French orbiculaire .] Resembling or having the form of an orb; spherical; circular; orbiculate. -- Or*bic'u*lar*ly , adverb -- Or*bic'u*lar*ness Found on http://www.encyclo.co.uk/webster/O/28