anti-torque rotor
— Noun
– English
~ rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
Anthericum torreyi
— Noun
– English
~ plant having basal grasslike leaves and a narrow open cluster of starlike yellowish-orange flowers atop a leafless stalk; southwestern United States; only species of Anthericum growing in North America