elliptic wedge

elliptic wedge

[ə¦lip·tik ′wej]
(mathematics)
The surface generated by a moving straight line that remains parallel to a given plane and intersects both a given straight line and an ellipse whose plane is parallel to the given line but does not contain it.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.