apple a day

A small preventive treatment wards off serious problems, as in He exercises regularly—an apple a day is his motto. This idiom shortens the proverb An apple a day keeps the doctor away, first cited about 1630.


Nearby words

  1. applanometry,
  2. applaud,
  3. applaudable,
  4. applause,
  5. apple,
  6. apple bee,
  7. apple blight,
  8. apple blossom,
  9. apple box,
  10. apple brandy

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.