| a chattering or flighty, light-headed person. |
| a gadget; dingus; thingumbob. |
posterior pos·te·ri·or (pŏ-stēr'ē-ər, pō-)
adj.
Located behind a part or toward the rear of a structure.
Relating to the caudal end of the body in quadrupeds or the dorsal side in humans.
Near the tail or caudal end of certain embryos.