This is the 4100th most frequent Russian word.
пентагон
The Russian word "пентагон" means "pentagon," referring to a five-sided geometric shape or the U.S. Department of Defense building.
In this sentence, 'Пентагон' refers to the famous building in the United States that houses the Department of Defense.
Пентагон является штаб-квартирой Министерства обороны США.
The Pentagon is the headquarters of the US Department of Defense.
Here, 'пентагон' is used in its geometrical sense, describing a five-sided polygon.
На карте был обозначен геометрический пентагон.
A geometric pentagon was marked on the map.
Here, 'пентагон' refers to the shape used in the design of a company's logo, again emphasizing its geometric meaning.