Source : Webster's Revised Unabridged Dictionary (1913)

Nodular \Nod"u*lar\ (?; 135), a. [Cf. F. nodulaire.]
   Of, pertaining to, or in the form of, a nodule or knot.

Source : WordNet®

nodular
     adj 1: relating to or characterized by or having nodules; "Nodular
            vaginitis"
     2: having nodules or occurring in the form of nodules; "nodular
        ores" [syn: {nodulated}, {noduled}]