scutum

scutum is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(O. Eng. Law) A penthouse or awning. [Obs.] Burrill.
  2. 2.(Zoöl.) (a) 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. (b) One of the two lower valves of the operculum of a barnacle.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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