Definition of respiratory tree in English:

respiratory tree

Syllabification: res·pi·ra·to·ry tree

Entry from US English dictionary

noun

Zoology
A branched respiratory organ in the body cavity of sea cucumbers.

Definition of respiratory tree in:

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Word of the day humoresque
Pronunciation: ˌ(h)yo͞oməˈresk
noun
a short, lively piece of music