Definitions
A four-sided shape with four right angles.
Word origin
Borrowed from Middle French, from Old French, from Medieval Latin or Late Latin rectangulum (“right angle”), from Latin rectus (“right”) + angulus (“an angle”).
Used in a sentence
“For why should you praise, for example, the integrity of a Square who faithfully defends the interests of his client, when you ought in reality rather to admire the exact precision of his Rectangles?”
“In Lines it [the product] is always (and ſometimes in Numbers) call'd the Rectangle between the two Lines, multiply'd by one another.”
“a rectangle triangle”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer4 curated clues
01“Box shape”9 letters
02“Boxy four-sided figure”9 letters
03“Shape of a postcard”9 letters
04“Shape of many windows”9 letters
Not quite right?
"Search similar patterns."
R________