Kingpin Meaning in Bengali

What is the meaning of word Kingpin in Bengali/Bangla ?

Meaning of Kingpin in Bangla is : সাম্রাজ্যের রাজা

Defenition of word Kingpin

• a main or large bolt in a central position.

Example

This device is secured in a normal manner by a central kingpin which is received within a slot portion of the device.

Other Meaning of Kingpin