1. [adjective] Longer than wide.
2. [adjective] Roughly rectangular or ellipsoidal.
3. [noun] Something with an oblong shape.
4. [noun] A rectangle having length greater than width.
5. [noun] A plane figure that deviates from a square or circle due to elongation.
6. [adjective] (of a leaf shape) having a somewhat elongated form with approximately parallel sides.
7. [adjective] Deviating from a square or circle or sphere by being elongated in one direction.