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visiting professor
visiting teacher
visiting team
visitor
visitor center
visitor’s passport
visitors’ book
visitorship
visna
visor
VISTA
vista
Vistula
visual
visual acuity
visual aid
visual arts
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visna
vis·na [ víssnə ]


noun 
Definition:
 
pneumonia of sheep and goats: a chronic progressive pneumonia of sheep and goats
[Mid-20th century. < Old Norse, "wither"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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