do duty as

idiom

Definition of do duty as

1 : to do the work of (someone or something) did duty as guard
2 : to be used as (something) The backpack she uses at school also does duty as an overnight bag.

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dodunk

do duty as

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“Do duty as.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/do%20duty%20as. Accessed 19 Aug. 2022.

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