noun

• (also attributively) A small box or tin (can) with a lid for holding dried tea leaves used to brew tea.
  "The Carneses imported lacquer teapoys in sets. These sets could be easily stacked in a corner of the drawing room and brought out at teatime to hold a teacup, a set, or a caddy. The Carneses purchased lacquered teapoys sets for four dollars in China and probably sold them for twice that amount in America."
• (by extension)
  "A sauce caddy brought with the tacos offers a choice of salsa cruda, a thin puree of tomatillos, and an emulsion of red chilies."
• (by extension)
• (by extension)
  "Place the disc in the DVD caddy."

noun

• (golf, also attributively) Alternative spelling of caddie (“a person hired to assist a golfer by carrying their golf clubs and providing advice”).
  "Caddy, pass me my five iron."

verb

• (intransitive, golf) Chiefly followed by for: alternative spelling of caddie (“to serve as a caddy (noun sense) for a golfer”)
  "I was honored to caddy for Tiger Woods at a charity golf game."

noun

• (US, informal) A Cadillac car.
  "She pulled up in a shiny black Caddy at six o'clock."