Definition of overstorey in English:

overstorey

Line breaks: over|storey

noun (plural overstoreys)

Ecology
The uppermost canopy level of a forest, formed by the tallest trees.
More example sentences
  • It was comparable to the other two sites in the composition and structure of both the overstorey vegetation and small mammal communities.
  • They morphotyped fine root tips and demonstrated that around 38% of the variation in EcM diversity was attributable to overstorey plant diversity.

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Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope