To search for something; to rummage.
To search for gems, gold, etc., on the surface or in abandoned workings.
To be troublesome.
To elicit information; to ferret out.
To search (something) thoroughly.
To use a toothcomb on (something).
A comb with finely spaced teeth, chiefly as a metaphorical means of making a thorough search.
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.