rectangular
adj. A2 Elementary US //ɹɛkˈtæŋɡjəɫɝ// UK //ɹɛktˈænɡjʊlɐ// rec·tan·gu·lar
adj. having a shape with four straight sides and four right angles. You use this to describe things like a standard sheet of paper or a door.
adj. describing a four-sided plane figure with four right angles. Often used to distinguish objects from square or circular counterparts.
The dining table is rectangular and seats six people.
The architect chose a rectangular layout for the living room to maximize the available floor space.
The ancient plaza was designed in a strictly rectangular fashion, reflecting the civilization's obsession with geometric order and solar alignment.
Usage
Typically placed before the noun it modifies; non-gradable in a strict geometric sense but often used with 'almost' or 'roughly'.