morning sickness

noun
🔊/ˈmɔːnɪŋ sɪknəs/
🔊/ˈmɔːrnɪŋ sɪknəs/
[uncountable]
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  1. the need to vomit that some women feel, often only in the morning, when they are pregnant, especially in the first months早孕反应;(孕妇)晨吐Topics Life stagesc2