Definition of "swap"
noun:
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A roughly equal exchange of two comparable things.
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A financial derivative in which two parties agree to exchange one stream of cashflow against another stream.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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verb:
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To strike, hit.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
To exchange or give (something) in an exchange (for something else).
from Wiktionary, Creative Commons Attribution/Share-Alike License
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