shield
From ZooTerms (Dictionary of Invertebrate Zoology)
shield (noun; Anglo-Saxon scyld, shield): 1. A dorsal cover; carapace; scutellum; scutum; clypeus.
2. (Arthropoda: Crustacea) In Decapoda, the anterior part of the cephalothorax of Paguridae.
3. (Arthropoda: Diplopoda) The second tergite.
4. (NEMATA) The interlabium.
