PLEURAS
PLEURA
Pleu"ra, n.,
Definition: pl. of Pleuron.
Pleu"ra, n.; pl. L. Pleuræ, E. Pleuras. Etym: [NL., n. fem., fr. Gr.
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.
2. (Zoöl.)
Definition: Same as Pleuron.
PLEURON
Pleu"ron, n.; pl. Pleura. Etym: [NL., fr. Gr. (Zoöl.)
(a) One of the sides of an animal.
(b) One of the lateral pieces of a somite of an insect.
(c) One of lateral processes of a somite of a crustacean.
Source: Webster’s Unabridged Dictionary 1913 Edition