<p>Fifteen years after the publication of the first edition of the <i>American Heritage(R) Dictionary of Idioms, </i> author Christine Ammer has extensively updated and expanded her original text, making over 1500 revisions and adding hundreds of new entries (such as <i>couch potato, elephant in the room, senior moment, </i>and <i>think outside the box)</i> to keep up with the rapidly changing English language<i>.</i>
