1) An atom 2) Pygmy 3) Tiny being 4) Tiny particle, old style 
An atomy is a diminutive fairy creature or sprite of surprising smallness, that was mentioned in some historic literature. ==Literature== Romeo and Juliet by William Shakespeare describes Atomies pulling Queen Mab`s carriage. O, then, I see Queen Mab hath been with you. She is the fairies’ midwife, and she comes In shape no bigger than an agate....
• (n.) A skeleton. • (n.) An atom; a mite; a pigmy.
At'om·y (ăt'ŭm*ȳ) noun An atom; a mite; a pigmy. At'o·my noun [ For anatomy , taken as an atomy .] A skeleton. [ Ludicrous] Shak. 
an atom; mote. · a small creature; pygmy.