| a gadget; dingus; thingumbob. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
endodontics en·do·don·tics (ěn'dō-dŏn'tĭks)
n.
The branch of dentistry that deals with diseases of the tooth root, dental pulp, and surrounding tissue.