What does "whiten" mean?

Whiten: To grow white; to turn or become white or whiter; as, the hair whitens with age; the sea whitens with foam; the trees in spring whiten with blossoms.

Additional senses

  1. 2.To make white; to bleach; to blanch; to whitewash; as, to whiten a wall; to whiten cloth. The broad stream of the Foyle then whitened by vast flocks of wild swans. Macaulay.

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