Golden Triangle

Golden Triangle noun

1. (sometimes lowercase) an area of Southeast Asia encompassing parts of Burma, Laos, and Thailand, significant as a major source of opium and heroin.
2. Canadian. the peninsula enclosed by Lakes Ontario, Erie, and Huron.

British Dictionary definitions for golden triangle golden triangle noun

1. the Golden Triangle an opium-producing area of SE Asia, comprising parts of Myanmar, Laos, and Thailand
2. any more or less triangular area or region noted for its success, prosperity, influence, etc
3. maths a triangle which has two 72-degree angles and one 36-degree angle