GEODE Meaning of GEODE in English [ge.ode] n [L geodes, a gem, fr. Gk geodes earthlike, fr. ge earth] (ca. 1732) 1: a nodule of stone having a cavity lined with crystals or mineral matter 2: the cavity in a geode Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012