The Collaborative International Dictionary
Acacia colletioides
Wait-a-while \Wait"-a-while`\, n.
One of the Australian wattle trees ( Acacia colletioides), so called from the impenetrability of the thicket which it makes.
same as Wait-a-bit.
Wikipedia
Acacia colletioides
Acacia colletioides is a shrub of the genus Acacia and the subgenus Plurinerves, with common names wait-a-while, pin bush, and spine bush. It is native to an area in the Wheatbelt, Mid West and Goldfields-Esperance regions of Western Australia.
The rigid spreading prickly shrub typically grows to a height of . It blooms from July to September and produces yellow flowers.