宣せん言げん子しMeanings1noundeclaratorcomputingA computing term for a syntactic element that declares a variable, function, or type in programming languages. Rare outside technical contexts.C言げん語ごでは、int が整数いんとがせい変数すうへんすうの宣せん言げん子しとして使つかわれる。In C, int is used as a declarator for integer variables.