obelisk
US /ˈɑː.bəl.ɪsk/
UK /ˈɑː.bəl.ɪsk/

1.
obelisco
a tapering, four-sided stone pillar, typically having a pyramidal top, set up as a monument or landmark.
:
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The ancient Egyptians erected many grand obelisks.
Os antigos egípcios ergueram muitos grandes obeliscos.
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The Washington Monument is a famous obelisk.
O Monumento a Washington é um famoso obelisco.