Sentence:  The worms were threaded onto the yarn until we had 4 or 5 feet of big juicy worms threaded through. We would coil it all up and put an old rusty nut at the centre and tie it on a bit of string on an old ash pole — this was the <WSD>bab</WSD>. 
Meaning of the word marked with <WSD> tags:  A bait for eels, consisting of a bundle of live worms.