| a. | 1. | Inclined downward from opposite directions, so as to meet in a common point or line. |
| 2. | (Geol.) Formed by strata dipping toward a common line or plane; | |
| n. | 1. | (Geol.) A synclinal fold. |
| Adj. | 1. | synclinal - sloping downward toward each other to create a trough Antonyms: anticlinal - sloping downward away from a common crest |