plural -s
Roman law : suretyship accessory to oral contracts and available only to Roman citizens
: the act of becoming surety
especially : a formal pledge made on behalf of another
: an act or engagement on behalf of a state undertaken by an agent not specially authorized or by one who exceeds the limits of his authority and requiring for validity ratification by the state

Word History


Latin sponsion-, sponsio, literally, solemn promise, pledge, from sponsus (past participle of spondēre to promise solemnly) + -ion-, -io -ion

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Dictionary Entries Near sponsion

Cite this Entry

“Sponsion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sponsion. Accessed 8 Dec. 2023.

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