Толковый словарь английского языка Oxford English Reference

1. n. (also s) (pl. Ss or S's) 1 the nineteenth letter of the alphabet. 2 an S-shaped object or curve. 2. abbr. (also S.) 1 Saint. 2 siemens. 3 Society. 4 South, Southern. 3. symb. Chem. the element sulphur. S 1. suffix denoting the possessive case of singular nouns and of plural nouns not ending in -s (John's book; the book's cover; the children's shoes). Etymology: OE genit. sing. ending 2. suffix denoting the plural of a letter or symbol (S's; 8's). Etymology: as -S(1) S abbr. 1 is, has (he's; it's; John's; Charles's). 2 us (let's). 3 colloq. does (what's he say?). S 1. ways, bags suffix denoting the plurals of nouns (cf. -ES(1)). Etymology: OE -as pl. ending 2. ties, begs suffix forming the 3rd person sing. present of verbs (cf. -ES(2)). Etymology: OE dial., prob. f. OE 2nd person sing. present ending -es, -as 3. besides suffix. 1 forming adverbs (afterwards; besides). 2 forming possessive pronouns (hers; ours). Etymology: formed as -'S(1) 4. suffix forming nicknames or pet names (Fats; ducks). Etymology: after -S(1)