disco ball

Etymology

From disco +‎ ball.

Pronunciation

• (Received Pronunciation) IPA^(key): /ˈdɪskəʊ ˌbɔːl/
• (US) IPA^(key): /ˈdɪskoʊ ˌbɑːl/, /ˈdɪskoʊ ˌbɔːl/

• Audio (US):

  (file)

• Audio (General Australian):

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Noun

disco ball (plural disco balls)

1. A suspended rotating mirrored sphere which casts moving spots of light across a room when light is projected on it.