moisten
verbUK /ˈmɔɪsən/
US /ˈmɔɪsən/
To make something a little wet.
Moisten the cloth before you wipe the table.
OTHER MEANINGS
2. To become slightly wet.
Her eyes moistened when she heard the sad news.
3. To add a small amount of liquid to food while cooking.
Moisten the cake with a little syrup.
4. To make the air slightly wet.
The rain moistened the dry soil.