Definition of geniculation in US English:



  • 1The state or condition of being geniculate; jointed or angled structure; an instance of this.

  • 2A node or joint, especially one at which a bend or angle occurs; a bend or angle.

  • 3Mineralogy. An angle, especially a right angle, in a crystal, formed by the process of twinning; the presence or formation of such an angle; an instance of this.


Early 17th century (in an earlier sense). Originally from post-classical Latin geniculation-, geniculatio act of kneeling (late 2nd or early 3rd cent. in Tertullian) from geniculat-, past participial stem of geniculare to bend the knee + classical Latin -iō.