What is the meaning of greens?

noun

• Green color or pigment; resembling the color of growing grass.
  • synonyms: green, greenness, viridity
• A piece of open land for recreational use in an urban area.
  • usage: "they went for a walk in the park"
  • synonyms: park, commons, common, green
• United States labor leader who was president of the American Federation of Labor from 1924 to 1952 and who led the struggle with the Congress of Industrial Organizations (1873-1952.
  • synonyms: Green, William Green
• An environmentalist who belongs to the Green Party.
  • synonyms: Green
• A river that rises in western Wyoming and flows southward through Utah to become a tributary of the Colorado River.
  • synonyms: Green, Green River
• An area of closely cropped grass surrounding the hole on a golf course.
  • usage: "the ball rolled across the green and into the bunker"
  • synonyms: green, putting green, putting surface
• Any of various leafy plants or their leaves and stems eaten as vegetables.
  • synonyms: green, leafy vegetable
• Street names for ketamine.
  • synonyms: K, jet, super acid, special K, honey oil, green, cat valium, super C
• Any of various leafy plants or their leaves and stems eaten as vegetables.
  • synonyms: green, leafy vegetable

verb

• Turn or become green.
  • usage: "The trees are greening"
  • synonyms: green