prosthion pros·thi·on (prŏs'thē-ŏn')
n.
The most anterior point on the maxillary alveolar process, between the central incisor teeth. Also called alveolar point.
| a scrap or morsel of food left at a meal. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |