(1):
(n.) The second and largest of the four parts forming the upper surface of a thoracic segment of an insect. It is preceded by the prescutum and followed by the scutellum. See the Illust. under Thorax.
(2):
(n.) One of the two lower valves of the operculum of a barnacle.
(3):
(n.) An oblong shield made of boards or wickerwork covered with leather, with sometimes an iron rim; - carried chiefly by the heavy-armed infantry.
(4):
(n.) A penthouse or awning.