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Word of the Day Tuesday, June 9, 2026

testudo

/tɛˈstjuːdoʊ/ noun · British & US
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What does testudo mean?

noun

A testudo is a defensive formation used by ancient Roman soldiers, in which they formed a protective wall of shields to shield themselves from arrows and other projectiles. It is also known as a tortoise formation.

Example

"The Roman legion formed a testudo to protect themselves as they advanced on the enemy lines."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for testudo

Rhymes with testudo

Etymologically related