Dictionary

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.

Example: Deaf and mute people communicate using languages like ASL.

The ability to communicate using words.

Example: the gift of language

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

Example: legal language;   the language of chemistry

The expression of thought (the communication of meaning) in a specified way; that which communicates something, as language does.

Example: body language;   the language of the eyes

To communicate by language; to express in language.

A languet, a flat plate in or below the flue pipe of an organ.