冠

2 candidate readings from Wiktionary — genuine Chaozhou colloquial form not yet confirmed by a speaker. Split into two entries by tone: this one (guang1/guêng1) covers the tone-1 noun sense 'hat', while guang3/guêng3 covers the tone-3 verb sense 'to rank first; champion' — the dossier ties each tone pair to a different pos block.