toothcomb UK /ˈtuːθkəʊm/US /ˈtuθˌkoʊm/verb 2noun 2forms 3 verb2 •(nonstandard, figurative) To search (something) thoroughly.The flat was toothcombed for any trace of drugs. •(nonstandard, rare) To use a toothcomb on (something).8.15 am. Tooth-combed seven heads, had grand sport; mixed bag, measured one teaspoonful; cleanliness is next to godliness! — 2013 noun2 •(nonstandard, figurative) A comb with finely spaced teeth, chiefly as a metaphorical means of making a thorough search.The police went through all his possessions with a toothcomb. •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. formstoothcombed · toothcombing · toothcombs