ruga

from WordNet (r) 3.0 (2006)
ruga
    n 1: (anatomy) a fold or wrinkle or crease; "rugae of the
         stomach"
from The Collaborative International Dictionary of English v.0.48
Ruga \Ru"ga\, n.; pl. {Rugae}. [L.] (Nat. Hist.)
   A wrinkle; a fold; as, the rugae of the stomach.
   [1913 Webster]
antiflux / dictionary / ruga
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