-s

-s -s 1. [OE. es, AS. as.] The suffix used to form the plural of most words; as in roads, elfs, sides, accounts. [1913 Webster]

2. [OE. -s, for older -th, AS. -[eth].] The suffix used to form the third person singular indicative of English verbs; as in falls, tells, sends. [1913 Webster]

3. An adverbial suffix; as in towards, needs, always, -- originally the genitive, possesive, ending. See {-'s}. [1913 Webster]