megatron

noun
UK /ˈmɛɡətrɒn/
US /ˈmɛɡətrɑːn/

A big robot villain from the Transformers stories.

In the cartoon, Megatron is the leader of the bad robots.


OTHER MEANINGS

2. A very large and powerful machine or device.

The factory's new megatron crushed the old equipment easily.

3. A type of high-energy particle accelerator.

Scientists used the megatron to speed up electrons.

4. A nickname for someone who acts bossy or controlling.

Don't be such a megatron and let others choose the game.