Entry 1 sense Webster, 1913 Cranioscopist /(kr?`n?-?s"k?-p?st)/ · Cra·ni·os·co·pist · IPA 01 n. One skilled in, or who practices, cranioscopy. 1. One skilled in, or who practices, cranioscopy. “It was found of equal dimension in a literary man whose skull puzzied the cranioscopists.” — Coleridge.