Meaning : Remove unwanted elements.
Example :
The company weeded out the incompetent people.
The new law weeds out the old inequities.
Synonyms : weed out
Meaning : Smoothen and neaten with or as with a comb.
Example :
Comb your hair before dinner.
Comb the wool.
Synonyms : comb, disentangle
Comb out meaning in Bengali (Bangla).