Definition from Wiktionary, the free dictionary
semimajor (not comparable)
- (geometry) Of or pertaining to the semimajor axis, the long axis of an ellipse
- a semimajor radius
- Less than major, but still significant
1997, Harlan Coben, Drop Shot, page 291:
- He waited by court sixteen, a semimajor court. It had the most seating next to the Stadium and Grandstand, though less than most high school gyms.