n. That which is orbiculate; especially, a solid the vertical section of which is oval, and the horizontal section circular. [ 1913 Webster ]

{ } a. [ L. orbiculatus. See Orbicular. ] Made, or being, in the form of an orb; having a circular, or nearly circular, or a spheroidal, outline. [ 1913 Webster ]

Orbiculate leaf (Bot.), a leaf whose outline is nearly circular. [ 1913 Webster ]

n. The state or quality of being orbiculate; orbicularness. Dr. H. More. [ 1913 Webster ]