tri·plet
noun/ˈtrɪplət/
/ˈtrɪplət/
- one of three children born at the same time to the same mother
三胞胎中的一个 - (music) a group of three equal notes to be played or sung in the time usually taken to play or sing two of the same kind
三连音
Word Originmid 17th cent.: from triple, on the pattern of doublet.