Dictionary

(sometimes proscribed) A comb with finely spaced teeth, chiefly as a metaphorical means of making a thorough search.

Example: The police went through all his possessions with a toothcomb.

To use a toothcomb on (something).

To search (something) thoroughly.

Example: The flat was toothcombed for any trace of drugs.

A comb-like dental structure found in the lower jaws of certain primates consisting of long, flat front teeth with microscopic grooves, which are used for grooming fur.