finial

noun
UK /ˈfɪniəl/
US /ˈfɪniəl/

A finial is a small pretty thing on the very top of a roof, pole, or lamp.

A shiny gold finial sat on top of the lamp.


OTHER MEANINGS

2. A pointed decoration at the top of a gothic spire or pinnacle.

The cathedral's spire ended in a carved stone finial.

3. The decorative end of a curtain rod.

She chose wooden finials to match the curtain rod.

4. A small ornament at the top of a piece of furniture or a flagpole.

The flagpole's brass finial gleamed in the sun.