A North Australian gum tree which typically grows near watercourses and yields very strong, hard timber.
- ‘The Dig Tree is a gnarled coolibah that stands in the burnt heart of the outback, beside the warm, green water of Cooper's Creek.’
- ‘And here, in 1875, after floods had forced them to spend days perched in an old coolibah, Frank and his sons had taken up a cattle and horse-breeding station.’
- ‘So if I wanted to clear my 450 hectares of coolibah now, what do I need to do?’
- ‘A message was carved into the bark of a coolibah tree.’
- ‘By then our injured man lay crying and dying under a coolibah tree.’
Late 19th century: from Kamilaroi (and related languages) gulubaa.