1. For example, a hyperbolic paraboloid is a Conoid with two axes.

2. For example, a hyperbolic paraboloid is a Conoid with two axes

3. In effect, the LRIS Collimator is an off-axis paraboloid that reimages an off-axis

4. (geometry) A solid formed by the revolution of a conic section about its axis. A parabolic Conoid is a paraboloid; an elliptic Conoid is an ellipsoid.