1.Definition: (superlative of `many' used with count nouns and often preceded by `the') quantifier meaning the greatest in number
"Who has the most apples?", "Most people like eggs", "Most fishes have fins"
2.Definition: the superlative of `much' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning the greatest in amount or extent or degree
"Made the most money he could", "What attracts the most attention?", "Made the most of a bad deal"