adj.
- Deviating from a square, circular, or spherical form by being elongated in one direction.
- Having the shape of or resembling a rectangle or an ellipse.
- Botany. Having a somewhat elongated form with approximately parallel sides: an oblong leaf.
An object or figure, such as a rectangle, with an elongated shape.
[Middle English, from Latin oblongus : ob-, intensive pref. (sense uncertain); see ob- + longus, long.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.