geniculate UK /dʒɪˈnɪk.jʊ.leɪt/US /d͡ʒəˈnɪk.jəˌleɪt/adjective 3verb 1forms 3 adjective3 •Bent abruptly, with the structure of a knee. •Having kneelike joints; able to bend at an abrupt angle. •Relating to a geniculate nucleus. verb1 •(no longer used, rare) To form joints or knots on.a ferulaceous caul, of two Cubits heighth, geniculated, and hard — 1657 formsgeniculated · geniculating · geniculates