Thesium
noun
The·si·um
ˈthēsēəm,
thə̇ˈsīəm
: a large genus of Old World root-parasitic herbs of the family Santalaceae with small linear or scalelike leaves and diclinous flowers see bastard toadflax
Word History
Etymology
New Latin, from Latin thesium, thesion bastard toad flax, from Greek thēseion, probably from neuter of thēseios of Theseus, from Thēseus Theseus, mythological Greek hero