| adjacent angles | |
| —pl n | |
| two angles that have the same vertex and a side in common | |
| 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. |
| adjacent angle (ə-jā'sənt) Pronunciation Key
Either of two angles having a common side and a common vertex. |