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hack up - definition and synonyms

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phrasal verb [transitive]
Word Forms
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present tense
I/you/we/theyhack up
he/she/ithacks up
present participlehacking up
past tensehacked up
past participlehacked up
  1. 2
    to remove something from your throat or lungs by coughing in a loud rough way
    The cat was hacking up a hairball.
See also main entry: hack

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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