寫定 [写－]

Jyutping se2 ding6
Pinyin xiě dìng

Definitions (Wiktionary)
  1. verb, literary
    to revise (a text, work, etc.)
  2. verb, literary
    to compile a definitive edition
Examples (粵典–words.hk)
  1. Cantonese
    佢有重病，时日无多，于是写定遗嘱。
    佢有重病，時日無多，於是寫定遺囑。
    keoi5 jau5 cung5 beng6, si4 jat6 mou4 do1, jyu1 si6 se2 ding6 wai4 zuk1.
    • He's severely ill and hasn't many days left, so he prepares his will in advance.