Sentence:  In the Bunjilaka Gallery of the Melbourne Museum the <WSD>spearthrower</WSD>, shown in Figure 4, is on display. The lines on the <WSD>spearthrower</WSD> interpret the Journey of the Great Snake "Liru", a Dreamtime ancestor. 
Meaning of the word marked with <WSD> tags:  A hand-held tool used as a lever to increase the throwing distance and penetrating force of a spear or dart, an atlatl; a woomera.