Definition of rosaceous in English:

rosaceous

Syllabification: ro·sa·ceous
Pronunciation: /rōˈzāSHəs
 
/

adjective

Botany
Of, relating to, or denoting plants of the rose family (Rosaceae).
More example sentences
  • Peachblossom is a rosaceous plant with five petals.
  • This is most clear in rosaceous fruit trees that go dormant in preparation for winter, and not in response to environmental cues.

Origin

mid 18th century: from modern Latin Rosaceae (based on Latin rosa 'rose') + -ous.

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