Definition of shaddock in English:

shaddock

Pronunciation /ˈSHadək/ /ˈʃædək/

noun

another term for pomelo
‘My failure to answer the first phone inquiry - as to when a Vietnamese grapefruit known as a ‘shaddock’ had first made a lodgement in the nineteenth-century goldfields - had instantly obliterated my credibility.’
  • ‘What is certain is that the ‘shaddock’ thrived in the W. Indies, in various forms; and it seems likely that it was there, in the course of the 18th century, that it developed into the grapefruit.’

Origin

Late 17th century named after Captain Shaddock, who introduced it to the West Indies in the 17th century.