The story was in all the dailies. Identify the word class of the underlined word 'dailies'.

In this sentence, 'dailies' refers to daily newspapers and is used as a plural noun. It is preceded by the determiner 'the' and functions as the object of the preposition 'in'. Although 'daily' can be an adjective in other contexts, here 'dailies' names a thing (newspapers) and therefore functions as a noun.