Phlox (?), n. [L., a kind of flower, fr. Gr. flame, fr. to burn.] Bot.
A genus of American herbs, having showy red, white, or purple flowers.
Phlox worm Zool., the larva of an American moth (Heliothis phloxiphaga). It is destructive to phloxes. -- Phlox subulata, the moss pink. See under Moss.
© Webster 1913.