What is "tisanes"

Usage examples of "tisanes".

He sipped one of his foul tisanes and took copious notes until his bony hand wearied.

I grew very weary of broth and tisanes and mush when I was recovering.

Her tisanes of various dried herbs, including iron-rich yellow dock, and scurvy-preventing rose hips, relieved the underlying vitamin lack that caused the craving for fresh food, but it did not eliminate the desire.