settler's clock

settler's clock

n
(Animals) Austral (formerly) an informal name for kookaburra
[C19: so called because its laugh was heard at dawn and sunset]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014