As a noun whitten
is any of several small trees having leaves that are white and downy underneath.
As a verb whiten is
to make white or whiter; to bleach or blanch.
whitten
English
Noun
(
en noun)
Any of several small trees having leaves that are white and downy underneath.
References
* Shorter Oxford English Dictionary, pg 3632 whiten
English
Verb
(
en verb)
To make white or whiter; to bleach or blanch.
To become white or whiter; to bleach or blanch.
- His hair had whitened with age.
- The trees in spring whiten with blossoms.