Sentence:  At Quince in San Francisco, Michael Tusk, the chef, smokes fresh ricotta over <WSD>fruitwood</WSD> and spices until it's lightly browned and crumbly. 
Meaning of the word marked with <WSD> tags:  The wood of any fruit tree, particularly hardwood from species such as pear and cherry, that is valued for furniture, woodcuts and other applications.