Serous membrane

from WordNet (r) 3.0 (2006)

serous membrane
    n 1: a thin membrane lining the closed cavities of the body; has
         two layers with a space between that is filled with serous
         fluid [syn: {serous membrane}, {serosa}]

from The Collaborative International Dictionary of English v.0.48

Serous \Se"rous\, a. [Cf. F. s['e]reux. See {Serum}.] (Physiol.)
   (a) Thin; watery; like serum; as, the serous fluids.
   (b) Of or pertaining to serum; as, the serous glands,
       membranes, layers. See {Serum}.
       [1913 Webster]

   {Serous membrane}. (Anat.) See under {Membrane}.
      [1913 Webster] Serow