巨, a pictographic character of a man with a rule/square in hand, serves as a phonetic component to form characters.
In modern Chinese 巨 means:
1.huge, big
2.very
Check out also the components 刍 and 系
Characters formed by the phonetic component 巨
距 拒 钜 炬 讵 苣 岠 姖 洰 秬 蚷 粔 怇 耟 昛 jù
佢 菃 螶 qú
柜 矩 弡 guì jǔ jué