Oblong means longer than it is wide. A rectangle that has been stretched — a brick, a door, a bar of chocolate.
It is a rectangle with a condition attached: every oblong is a rectangle, but a square is not an oblong, because a square is not longer one way than the other. Primary schools teach the pair together for exactly that reason. The word works as a noun as well — cut the pastry into oblongs — and it will stretch to a squashed circle too, which is more properly an ellipse. Where a mathematician might say rectangular, everyday description reaches for oblong.
Latin
oblongus
Middle English
oblong
English, today
oblong
From Middle English oblong, oblonge, borrowed from Latin oblongus.
Etymology from Wiktionary, CC BY-SA
Practised in A Man Called Ove
First appears in chapter 28 of A Man Called Ove.
Practise this word