noun
: a hard sharp prominence on the tip of the beak or nose of embryo birds and oviparous reptiles with which they break through the eggshell ; also : an analogous chitinous prominence on the head of an insect
noun
: a hard sharp prominence on the tip of the beak or nose of embryo birds and oviparous reptiles with which they break through the eggshell ; also : an analogous chitinous prominence on the head of an insect
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012