/fuyn"toohth'/
1. a comb having narrow, closely set teeth.
2. go over or through with a fine-tooth comb , to examine in close detail; search thoroughly; fine-comb: The police went over the apartment with a fine-tooth comb.
Also, fine-toothed comb /fuyn"toohtht', -toohdhd'/ .
[ 1830-40 ]