Do you mean the spire?
A pointy part of a church roof is called a steeple. Steeples are tall structures that rise above the roofline and often serve as a focal point for the building. They are commonly found on churches and other religious buildings.
The possessive form of the singular noun church is church's.example: We took up a collection to repair the church's roof.
The central part of a church is called the nave. It is usually the main part of the church where the congregation sits during services.
A spire is a tall, pointed structure on top of a building, like a church, while a steeple specifically refers to the tall tower or structure on a church roof, often topped with a spire. In essence, all steeples have spires, but not all spires are part of steeples.
A church roof shaped like a boat is often called a "nave" and it symbolizes the biblical story of Noah's Ark. It represents the idea of the church as a safe haven or shelter for believers, just like the ark was for Noah and his family during the great flood. The boat shape can also be seen as a reference to the idea of the church as a vessel guiding people through the storms of life towards salvation.
A church corridor is typically referred to as a nave. It is the central part of a church building where congregants gather for worship.
Steeple
peak or ridge or ridge cap
To help the rain water drain off easier.
It was a regular flat roof. Around the edge was a pointy barrier to keep the birds off.
It isn't called anything. It is just called part of the nave.
The "pointy" part is mostly the Republic of South Africa, the southern most part of it being the Cape Of Good Hope and Cape Agullus
A rafter is part of a roof, it supports the roof.
pointy teeth
Immediately inferior to the body. This is the "pointy" part of the sternum.
church roof
It is the curved/pointy part at the front of the boatfront
The highest part of the roof is the ridge.