What is the meaning of Terminator?

Someone who terminates or ends something, especially (in later use) an assassin or exterminator.

A text character or string that serves to mark the end of a document or transmission.

The line between the day side and the night side of a moon, planet or other celestial body.

A DNA sequence that causes RNA transcription to cease and an mRNA transcript to break off.

An electrical device that absorbs reflection at the end of a transmission line.

An intelligent android created to destroy humans.

he who sets bounds

second/third-person singular future passive imperative of terminō

apprentice

terminator

terminator

Source: wiktionary.org