n.(prosody) a line of verse that lacks a syllable in the last metrical footadj.(verse) metrically incomplete; especially lacking one or more syllables in the final metrical foot
英汉双解大词典
catalectic/ˌkætəˈlɛktɪk/
1.
ADJ（形容词）
(of a line of verse) having an incomplete final foot (诗行中)最后音步缺一个音节的 [prosody]