There is no particular name for the ankle spur which dispenses venom in a male platypus. It is simply referred to as a 'spur'.
It's called a Rowel.
It is a name for Benton Road as it is a spur road inBossier CityLA
I think it is called a rowel
It is called the local spur arm. as we are not directly on the arm of a galaxy just between the sagittarius and perseus arms.
Our solar system lies about halfway out (roughly 27,000 light years) from the galactic center, on a spur of the galactic arm called the Orion Arm, or sometimes called the Orion spur or simply "local spur".
a spur or spurs
The spike at the end of a knight's heel is called a spur.