GNU Collaborative International Dictionary of English

Found one definition

1.       
   Nodular (nŏdˈū́‑lẽr; 135), a. [Cf. F. nodulaire.]
   1. Of or pertaining to a nodule or knot.
   
   [1913 Webster]
   
   
   2. Having nodules or in the form of a nodule or knot.
   
   [PJC]