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Jyutping paau2 maa5 dang1
Pinyin pǎo mǎ dēng

Definitions (Wiktionary)
  1. noun
    news ticker
  2. noun
    text marquee

跑馬燈 [-马灯]

Jyutping
Pinyin pǎo mǎ dēng

Definitions (CC-CEDICT)
  1. lantern with a carousel of paper horses rotating under convection, used at Lantern Festival 元宵節|元宵节[Yuan2 xiao1 jie2]
  2. chaser lights
  3. self-scrolling horizontal text display, such as a news ticker