Entry 1 sense Webster, 1913 Geotropic /jēˌ-ət-räp'-ĭk/ · Ge·o·trop·ic · IPA /ˌd͡ʒioʊˈtɹɒpɪk/ 01 a. Relating to, or showing, geotropism. 1. Relating to, or showing, geotropism.(Biol.)