au‧di‧o‧guide /ˈɔːdiəʊɡaɪd $ ˈɒːdioʊ-/ noun [countable]
a piece of electronic equipment that visitors to a museum or art gallery can use. They carry the audioguide with them and it gives them spoken information about objects or paintings in the museum or gallery.

[TahlilGaran] Dictionary of Contemporary English ▲