| a. | 1. | Narrowing towards the top. |
| 2. | (Bot.) Clustered, parallel, and upright, as the branches of the Lombardy poplar; pointed. | |
| 3. | (Zool.) United into a conical bundle, or into a bundle with an enlarged head, like a sheaf of wheat. |
| Adj. | 1. | fastigiate - having clusters of erect branches (often appearing to form a single column) |