喇叭 lǎba HSK7 horn Origin Definitions Defs Strokes Stroke Words Sentences Sents 喇 lǎ noun phonetic (lǎ) (bound form) used in words borrowed from other languages based on their sound, such as 喇叭 lǎba or 喇嘛 lǎma叭 bā noun [crack] Describes the sound of a snap, crack, or sharp noise, such as a gunshot or a stick breaking. Also used for the sound of a vehicle horn.