rhytidome

/ˈrɪtɪdoʊm/
noun
  1. The outer, dead bark of a tree, especially the rough, corky layer that forms on older trunks and branches.
    • The rhytidome of the oak tree was thick and deeply furrowed.
    • The rough rhytidome provided a perfect home for mosses and small insects.
    • Botanists study the rhytidome to understand how trees protect themselves from fire and pests.
Synonyms
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