Entry 1 sense Webster, 1913 Paleontologist /(pā`lē̇*ŏn*tŏl"ō̇*jĭst)/ · Pa·le·on·tol·o·gist · IPA /pˌeɪliːəntˈɑlədʒɪst/ 01 n. One versed in paleontology. 1. One versed in paleontology.