minimus

noun3

1. •
   The little finger or the little toe
2. •
   (old-fashioned) The youngest pupil in a school having a particular surname.

   • Jones Minimus wants to join the rowing team.
3. •
   (no longer used) A being of the smallest size.

   • Get you gone, you dwarf; You minimus, of hindering knot-grass made; You bead, you acorn. — 1595