\Ge*nic"u*late\, a. [L. geniculatus, fr. geniculum
little knee, knot or joint, dim. of genu knee. See {Knee}.]
Bent abruptly at an angle, like the knee when bent; as, a
geniculate stem; a geniculate ganglion; a geniculate twin
crystal.

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