moly

noun, plural mo·lies. Classical Mythology.

1. an herb given to Odysseus by Hermes to counteract the spells of Circe.

noun Informal.

1. molybdenum.

noun plural -lies

1. Greek myth a magic herb given by Hermes to Odysseus to nullify the spells of Circe
2. a liliaceous plant, Allium moly, that is native to S Europe and has yellow flowers in a dense cluster

n.1570s, fabulous magical herb with white flowers and black root, given by Hermes to Odysseus as protection against Circe’s sorcery, of unknown origin.