catgut: perennial subshrub of eastern North America having downy leaves yellowish and rose flowers and; source of rotenone
hoary pea: a plant of the genus Tephrosia having pinnate leaves and white or purplish flowers and flat hairy pods
virtual reality: a hypothetical three-dimensional visual world created by a computer; user wears special goggles and fiber optic gloves etc., and can enter and move about in this world and interact with objects as if inside it