The Collaborative International Dictionary of English v.0.48:

Geniculate \Ge*nic"u*late\, v. t. [imp. & p. p. Geniculated;
   p. pr. & vb. n. Geniculating.]
   To form joints or knots on. [R.] --Cockeram.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Geniculated \Ge*nic"u*la`ted\, a.
   Same as Geniculate.
   [1913 Webster]