Pleuras

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pleura \Pleu"ra\, n.; pl. L. {Pleur[ae]}, E. {Pleuras}. [NL., n.
     fem., fr. Gr. ? a rib, the side.]
     1. (Anat.)
        (a) The smooth serous membrane which closely covers the
            lungs and the adjacent surfaces of the thorax; the
            pleural membrane.


        (b) The closed sac formed by the pleural membrane about
            each lung, or the fold of membrane connecting each
            lung with the body wall.
            [1913 Webster]
  
     2. (Zool.) Same as {Pleuron}.
        [1913 Webster]