comb jelly (any jellyfish-like animal of the phylum Ctenophora)
 (sign of) combing;  comb pattern (esp. pottery)
 missing important things here and there;  full of gaps; (lit.) as if the teeth of a comb were missing
 missing important things here and there;  full of gaps
 pecten;  comb plate;  comb plate (of an escalator, etc.)