hash
US /hæʃ/
UK /hæʃ/

1.
a dish of cooked meat chopped into small pieces and cooked again, usually with potatoes and onions
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For breakfast, we had corned beef hash with a fried egg.
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She made a delicious potato hash for dinner.
2.
3.
a symbol (#) used on social media to identify messages on a specific topic
:
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Don't forget to add a hash to your tweet for more visibility.
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The hash symbol is also known as the pound sign.
1.
2.
to discuss or review (something) thoroughly
:
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Let's hash out the details of the plan tomorrow.
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They spent hours hashing over the new policy.