spire
nounUK /ˈspaɪə/
US /ˈspaɪər/
A tall, pointy top on a building like a church.
The church spire reached high into the blue sky.
OTHER MEANINGS
2. A tall, narrow point of rock or mountain.
The hikers climbed toward the rocky spire at the summit.
3. A spiral or coil, especially in a plant or shell.
The snail's shell formed a delicate spire.
4. The top part of a spiral shell.
The spire of the shell twisted to a fine point.