司馬斤 [－马－]

Jyutping si1 maa5 gan1
Pinyin sī mǎ jīn

Definitions (粵典–words.hk)
  1. 名詞
    即​係​斤​，​東亞​重量​量度​單位​；​一斤​有​十六​両​，​喺​香港​嘅​標​準​，​等​於​一​又​三分之一​磅​，​大約​等​於​公制​嘅​604.8​克
    catty, a unit of weight measurement; one catty equals approximately 604.8 grams in Hong Kong
Definitions (Wiktionary)
  1. noun, Hong-Kong
    Hong Kong catty; 605 grams; 1.33 pounds