Definitions

1. adjective

Relating to or characteristic of the pine family (Pinaceae), especially of the coniferous trees and shrubs that have needle-like or scale-like leaves.

“The park’s landscape design incorporated many pinaceous species of trees and shrubs.”

2. noun

A plant of the pine family, especially one with needle-like or scale-like leaves.

“The botanist studied the unique pinaceous species found in the remote region.”

3. noun

A type of resin or gum, especially from pine trees.

“The ancient craftsman used pinaceous resin to seal the wooden boat.”