spelunker spelunk • spence · · · Info · Definitions · Synonyms · Characters · · spelunker · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a person who explores caves. Synonyms: potholer, speleologist, spelaeologist. · · Noun Definition 1 Synonyms · · · potholer · · Synonym 1 speleologist · · Synonym 2 spelaeologist · · Synonym 3 Characters · · e latin small letter e U+0065 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075