Definition of red-hearted in English:

red-hearted

adjective

  • Designating trees or timber having reddish heartwood; especially in the names of particular species of tree.

Origin

Mid 18th century; earliest use found in William Ellis (c1700–1758), agriculturist and writer. From red + hearted.

Pronunciation

red-hearted

/ˌrɛdˈhɑːtɪd/