1. To join pieces of metal together by heating the edges until they begin to melt and then pressing them together: "Alvin had to weld the metal parts in order to repair the car."
2. To join or bring people or things close together: "Do those folks want to weld their friendship that close together after all that has happened?"

A plant, Reseda luteola, which is used to produce a yellow dye: "The farmer grew weld in his field to sell to the weavers in the village."

1. Raised to the surface, made ready to flow: "Tears welled in Sherry's eyes at the funeral of her son."
2. Raised or surged from an inner source: "Anger welled up in Jacob when he heard about the increases of the costs he would have to pay for the completion of his house."