If you dream of a bait it signifies that you are aiming for something to get the satisfaction. This dream could also mean that you are trying to seduce someone you like.
Dream dictionary: Bait dream meanings
Using a bait to fish announces financial success in your businesses. If it is used by others, disappointment and failure.
…Dreaming of worms, denotes that you will be oppressed by the low intriguing of disreputable persons. For a young woman Dreaming they crawl on her, foretells that her aspirations will always tend to the material. If she kills or throws them off, she will shake loose from the material lethargy and seek to live in morality and spirituality. To use them in your dreams as fish bait, foretells that by your ingenuity you will use your enemies to good advantage….
This letter is interpreted as a bait that can help during dreams to gather information which we need when we are awake, in order to achieve our goals.