Wiktionary
holy basil
n. (taxlink Ocimum tenuiflorum species noshow=1), an aromatic plant cultivated for religious, medicinal, and culinary purposes and for its essential oil.
Usage examples of "holy basil".
The Holy Basil set our Rule: morning and evening services, in accordance with general church usage, plus other prayers five times a day.
Here was henbane, holy basil, a small bunch of chili peppers tied with red thread, and a whistle.