Rudimentary (rew-di-men'-ta-ri). (L. rudimentum = a first attempt.) Imperfectly developed or in an early stage of development.
Saliva (sa-lī'-va). Spittle. The liquid formed in the mouth, which mixes with food, and helps it to digest.
Segment (seg'-ment). (L. secare = to cut.) A part cut off, a section.
Seize (sēz). To grasp, to clutch.
Sensitive (sen'-si-tiv). Quick to feel. The nerve of the eye is sensitive to light, quick to feel light.
Shellac (she-lak' or shel-ak'). It is made from a coloring matter in the bodies of certain insects. A polish which is used with varnish.
Silk (sīlk). A fine, soft, strong thread made by the larvæ of certain insects.
Skeleton (skel'-e-ton). (Gr. = dried up.) The dry bones of the body taken together.
Socket (sok'-et). Any hollow thing or place which receives or holds something else.
Soothsayer (söth'-sā-er). One who pretends to know what the future holds for us.