Commentary: Au - a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia
I gave him three pieces of gold for that horse.
They traded corn for gold.
Whilst that for which all virtue now is sold, and almost every vice- almighty gold" -Ben Jonson
WordNet 2.0 Sense Numbers: 1 3 4
Commentary: a deep yellow color
An amber light illuminated the room.
He admired the gold of her hair.
WordNet 2.0 Sense Numbers: 2
Commentary: something likened to the metal in brightness or preciousness or superiority etc.
The child was as good as gold.
She has a heart of gold.
WordNet 2.0 Sense Numbers: 5