This meaning refers to a flat grooming tool with a row of teeth.
She used a comb to untangle her hair.
The comb has wide plastic teeth.
This meaning refers to passing a comb through hair to organize, clean, or untangle it.
She combed her hair before leaving.
He carefully combed the child's curls.
This figurative meaning refers to examining every part of an area or source in a systematic search.
Police combed the area for evidence.
Volunteers combed the beach for missing items.