[{"Bold_text": "noun", "List Items": ["any cylindrical piece or device on which something is wound.", "a small cylindrical piece of wood or other material on which yarn is wound in spinning, for use in weaving; a bobbin.", "a small cylinder of wood or other material on which thread, wire, or tape is wound, typically expanded or with a rim at each end and having a hole lengthwise through the center.", "the material or quantity of material wound on such a device.", "Angling.the cylindrical drum in a reel that bears the line."]}, {"Bold_text": "verb (used with object)", "List Items": ["to wind on a spool.", "to unwind from a spool (usually followed byofforout).", "Computers.to operate (an input/output device) by using buffers in main and secondary storage."]}, {"Bold_text": "verb (used without object)", "List Items": ["to wind.", "to unwind."]}]