A pole.
Nothing. It isn't hollow.
A simple ball or plate on top of a flagpole is called a truck. More elaborate designs can be called a finial.
A flagpole!A flagpole!A flagpole!A flagpole!
The Dushanbe Flagpole is a flagpole located in front of the Palace of Nations in Dushanbe, Tajikistan. It is the tallest free-standing flagpole in the world.
flagpole
Placing a spear on top of a flagpole is a symbolic gesture that represents strength, power, and protection. It is often used to signify a sense of authority or dominance, and can also serve as a reminder of a nation's military prowess or readiness for defense.
A flagpole is a pulley.
Ashgabat Flagpole was created in 2008.
Raghadan Flagpole was created in 2003.
Flagpole Jitters was created in 1956.
Flagpole Magazine was created in 1984.
Aqaba Flagpole was created in 2004.