pith helmet pit-head frame • pith knot · · · Info · Definitions · Synonyms · Characters · · pith helmet · · Text Common · · Latin · · Scripts 11 · · Length Definitions · · · (noun) a lightweight hat worn in tropical countries for protection from the sun. Synonyms: pith hat, sun helmet, topee, topi. · · Noun Definition 1 Synonyms · · · kernel · · Synonym 1 substance · · Synonym 2 core · · Synonym 3 center · · Synonym 4 centre · · Synonym 5 essence · · Synonym 6 gist · · Synonym 7 heart · · Synonym 8 heart and soul · · Synonym 9 inwardness · · Synonym 10 marrow · · Synonym 11 meat · · Synonym 12 nub · · Synonym 13 pith · · Synonym 14 sum · · Synonym 15 nitty-gritty · · Synonym 16 Characters · · space U+0020 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D p latin small letter p U+0070 t latin small letter t U+0074