- cerotegument
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n. [L. cera, wax; tegumentum, covering](ARTHROPODA: Chelicerata)In Acari, tegumental layers generally distinguishable by an outer cement layer covering the lipid layer; part of the epiostracum; part of the epicuticle; superficial epicuticular layers; tectostracum.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.