Wiktionary
mastlike
a. Resembling a mast or some aspect of one.
Usage examples of "mastlike".
The mastlike pole shuddered and creaked, and for a breathless instant Taran feared all his work would come tumbling about his ears.
From its silhouette thin mastlike spars jutted skyward, connected by glistening threads that were like a spiderweb spun across a quarter of the horizon.
Ahead, looming against the Ebonbane, was a huge white structure with mastlike spires from which streamed banners of scarlet and gold.