oblong

Noun

Singular oblong

Plural oblongs

An oblong. Notice how the length of AD is greater than that of AB, so it's not a square.

1. (countable) (geometry) An oblong is a rectangle (a polygon with four straight sides and 4 right angles) which is not a square (the length and height are different).

   The ancient Greeks used oblong shaped stones for their mosaic floors.