à la mode [or] a la mode
|part of speech:
||in fashion or in current fashion; stylish.
The Empire waistline was à la mode in Europe at the end of the 18th century.
- demode, passe
||served with an ice cream topping, as pie or other desserts, or braised with vegetables and served in a rich brown gravy, as beef.
My father loves his pie à la mode, but I love it just plain.