Sentence:  Old Peter was up early too, harnessing the little yellow horse into the old cart. The cart was of rough wood, without springs, like a big box fixed on long <WSD>larch</WSD> poles between two pairs of wheels. The <WSD>larch</WSD> poles did instead of springs, bending and creaking, as the cart moved over the forest track. 
Meaning of the word marked with <WSD> tags:  The wood of the larch.