The noun gold has 5 senses (first 3 from tagged texts)
1. (8) gold -- (coins made of gold)
2. (8) amber, gold -- (a deep yellow color; "an amber light illuminated the room"; "he admired the gold of her hair")
3. (6) gold, Au, atomic number 79 -- (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)
4. gold -- (great wealth; "Whilst that for which all virtue now is sold, and almost every vice--almighty gold"--Ben Jonson)
5. gold -- (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")
Overview of adj gold
The adj gold has 2 senses (first 2 from tagged texts)
1. (2) gold, golden, gilded -- (made from or covered with gold; "gold coins"; "the gold dome of the Capitol"; "the golden calf"; "gilded icons")
2. (2) aureate, gilded, gilt, gold, golden -- (having the deep slightly brownish color of gold; "long aureate (or golden) hair"; "a gold carpet")