Entry 1 sense Webster, 1913 Orbicular · Or·bic·u·lar · IPA /ɔɹˈbɪk.ju.lɚ/ 01 a. Resembling or having the form of an orb; spherical; circular; orbiculate. 1. Resembling or having the form of an orb; spherical; circular; orbiculate. “Orbicular as the disk of a planet.” — De Quincey.