noun: (Britain, chiefly figuratively, sometimes proscribed) A comb with finely spaced teeth, chiefly as a metaphorical means of making a thorough search.
verb: (rare) To use a toothcomb on (something).
verb: (figuratively) To search (something) thoroughly.
noun: (zoology) 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.
