egg tooth definition

  • noun:
    • a difficult toothlike projection from beak of embryonic wild birds, or through the top jaw of embryonic reptiles, which is used to cut the egg membrane layer and shell upon hatching and that later falls off.
    • a little, razor-sharp, cranial protuberance utilized by offspring to split or rip through the egg's surface during hatching.
    • A hard toothlike projection from the beak of embryonic wild birds, or through the top jaw of embryonic reptiles, which is used to slice the egg membrane and layer upon hatching and that later on falls off.
    • A small, sharp, cranial protuberance employed by offspring to-break or rip through egg's area during hatching.

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