| Answer | Crossword Clue |
|---|---|
| SOS | Intl. signal adopted in 1912 |
| cooees | prolonged, shrill, clear call or cry used as a signal by Australian Aborigines and adopted by the settlers in the country |
| cooee | prolonged, shrill, clear call or cry used as a signal by Australian Aborigines and adopted by the settlers in the country |
| cooeed | prolonged, shrill, clear call or cry used as a signal by Australian Aborigines and adopted by the settlers in the country |
| cooeeing | prolonged, shrill, clear call or cry used as a signal by Australian Aborigines and adopted by the settlers in the country |
| SOS | Signal made official in 1912. |
