Gold beaten into a thin sheet.

A second of time added to the year occasionally to compensate for variation in the rate of Earth's rotation relative to the absolute standards of time.

(baseball) The best-of-seven series of games to determine the winner of each of the National League and the American League.

(baseball) The older of the two professional baseball leagues within Major League Baseball.

(baseball) The younger of the two professional baseball leagues within Major League Baseball.

plural of letter

Literature (school subject). / The liberal arts, humanities, learning (broad accumulated cultural knowledge).

Third-person singular simple present indicative form of letter

plural of lettre

A non-compulsory examination taken in the final two years in British high schools; the qualification obtained by passing such an exam / (Internet, prostitution, euphemistic) anal sex.