weld

1. A herb (Reseda luteola) related to mignonette, growing in Europe, and to some extent in America, used to make a yellow dye.
2. The yellow coloring matter or dye extracted from this plant.

noun

The joint made by welding.

1. To join two materials (especially two metals) together by applying heat, pressure and filler, either separately or in any combination.
2. To bind together inseparably; to unite closely or intimately.

verb

To wield.