noun

1. A body of words, and set of methods of combining them (called a grammar), understood by a community and used as a form of communication.

   “Deaf and mute people communicate using languages like ASL.”

2. The ability to communicate using words.

   “the gift of language”

3. A sublanguage: the slang of a particular community or jargon of a particular specialist field.

   “legal language;   the language of chemistry”

Synonyms: computer language, machine language, programming language

verb

1. To communicate by language; to express in language.