Source : Webster's Revised Unabridged Dictionary (1913)

Parietary \Pa*ri"e*ta*ry\, n. [L. parietaria, fr. parietarius
   parietal. Cf. {Pellitory}, {Parietal}.] (Bot.)
   Any one of several species of {Parietaria}. See 1st
   {Pellitory}.

Source : WordNet®

Parietaria
     n : small genus of stingless herbs [syn: {genus Parietaria}]