One who stipulates or determines costs; a person who fixes or regulates expenses.
From 'cost' plus 'stipulator' (one who stipulates). An extremely rare formation combining economic terminology with agent formation, likely invented for specific legal or business contexts.
This word is so obscure that even comprehensive dictionaries barely recognize it—it's possibly a one-off coinage for a specific document, showing how English can generate new words on demand even if they never spread.
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