Argent

Part of speech: noun (n.)

1. Silver, or money. [Archaic]

2. Whiteness; anything that is white. The polished argent of her breast. Tennyson.

3. The white color in coats of arms, intended to represent silver, or, figuratively, purity, innocence, beauty, or gentleness; -- represented in engraving by a plain white surface. Weale.

Part of speech: adjective (a.)

Made of silver; of a silvery color; white; shining. Yonder argent fields above. Pope.