elli
- n (Norse mythology) goddess of old age who defeated Thor in a wrestling match
ellice islands
- n a group of coral islands in Micronesia to the southwest of Hawaii
ellington
- n United States jazz composer and piano player and bandleader (1899-1974)
ellipse
- n a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it
the sums of the distances from the foci to any point on an ellipse is constant