五大湖 Traditional form: 五大湖 Pinyin (reading): Wǔdàhú Definitions: Great Lakes the five north American Great Lakes Characters: 五 - five; surname 大 - big, great, vast, high, deep 湖 - lake; Hubei, Hunan; bluish-green Traditional characters: 五 - five; surname 大 - big, great, vast, high, deep 湖 - lake; Hubei, Hunan; bluish-green