An Aussie greeting is a phrase used to express friendly welcome in Australia. The crossword solutions for this term include KOALA (5 letters), SHEILA (6 letters), EMU (3 letters), ROO (3 letters), ROOS (4 letters), EMUS (4 letters), and GDAY (4 letters). KOALA is a marsupial native to Australia, while Sheila is a common female name in the country. EMU and Roo are two animals found in Australia, with the former being a large flightless bird and the latter being a small marsupial. Roos and Emus are the plural forms of these animals. Finally, Gday is a shortened version of 'Good Day' which is a popular Australian greeting.