/naw"zee euh, -zheuh, -see euh, -sheuh/ , n.
1. sickness at the stomach, esp. when accompanied by a loathing for food and an involuntary impulse to vomit.
2. extreme disgust; loathing; repugnance.
[ 1560-70; nausea, nausia nausía (Ionic nausíe ) seasickness, deriv. of naûs ship; see -IA ]