NOUN (2)

1. a Polynesian native or inhabitant of Tonga;

2. the Polynesian language spoken by the Tongan people;


ADJECTIVE (1)

1. of or relating to the island monarchy of Tonga or its people;
- Example: "Tongan beaches"

WordNet (r) 3.0 (2006):

Tongan
    adj 1: of or relating to the island monarchy of Tonga or its
           people; "Tongan beaches"
    n 1: a Polynesian native or inhabitant of Tonga
    2: the Polynesian language spoken by the Tongan people