weld

(noun) European mignonette cultivated as a source of yellow dye; naturalized in North America. Synonyms: dyer's rocket, dyer's mignonette, Reseda luteola.

(noun) United States abolitionist (1803-1895). Synonyms: Weld, Theodore Dwight Weld.

(noun) a metal joint formed by softening with heat and fusing or hammering together.

(verb) join together by heating. Example: "Weld metal."

(verb) unite closely or intimately. Example: "Her gratitude welded her to him."