skim

US /skɪm/
UK /skɪm/
"skim" picture
1.

read (something) quickly so as to note only the important points

:
She skimmed through the report before the meeting.
I only had time to skim the article.
2.

remove (a substance) from the surface of a liquid

:
She skimmed the fat off the top of the soup.
The machine skims the cream from the milk.
3.

pass lightly over or along a surface or through the air

:
The stone skimmed across the water.
Birds skimmed the surface of the lake.
1.

a thin layer of something on the surface of a liquid

:
There was a greasy skim on top of the stew.
The pond had a green skim of algae.