複ふく数すう形けいふくすうけいMeanings1nounplural formgrammarA grammatical term referring to the form of a word used to indicate more than one.英えい語ごの名めい詞しの複ふく数すう形けいは、通つう常じょう「s」を付つけて作つくります。The plural form of English nouns is usually made by adding 's'.