Sentence:  The initial stage in Somocar's latest plans was realised with the completion of the first<WSD> 'Cavalletto',</WSD> a joint project of Coe & Clerici and the crane manufacturer, Danieli. 
Meaning of the word marked with <WSD> tags:  A specialized gantry crane for loading and unloading cargo ships that attaches to and moves along guides on the ship's hatchway.