Give the words to the definitions: 1) a bird that is raised by people for its eggs and meat — C______; 2) the thick stem of a tree that the branches grow from — T________; 3) to be a certain weight — W____; 4) the flat part of a bird's or insect's body which it uses to fly — W__; 5) to go away, vanish — D_______; 6) the part of a body that joins the head to the rest of the body — N___; 7) 1,000,000 — M_______; 8) a large African animal with a very long neck and long legs — J______; 9) the part of an animal that sticks out at the back — T___; 10) each of the long nails on a bird's or animal's toes — C___; 11) 1,000 kilos — T__; 12) terrible lizard — D_______; 13) each of the flat green parts of a plant — L___ / L______; 14) not dangerous — H_______; 15) very small — T____.