What does "contact language" mean?

A language that influences another, especially because it is understood by a relevant portion of the speech community.

What is a synonym for "contact language"?

Common synonyms include: pidgin, pidgins.

noun

noun ·Rare ·Advanced level

Noun

1
A language that influences another, especially because it is understood by a relevant portion of the speech community.
"The main contact languages providing Western words in Arabic today are English and French."
2
A pidgin language.

"The main contact languages providing Western words in Arabic today are English and French."