silverfish Hear it!

silverfish Definition

silver·fish (-fis̸h′)

noun

  1. pl. -·fish′, -·fish′es any of various fishes of a silvery color, as the tarpon or silverside
  2. pl. -·fish′ any of various families of primitive, wingless thysanuran insects with silvery scales, long feelers, and a bristly tail: they thrive in dampness and darkness and are often injurious to books and other paper products