Chiyou was the war-god leader the Yellow Emperor defeated in legend.
Tips
history
蚩 is not used independently in modern Chinese. It survives chiefly in the mythological name 蚩尤 (Chiyou, the rebel war-god) and the bookish 蚩蚩 (dull, simple-minded). It is also the phonetic in 媸 (ugly).
register
Archaic and literary only, encountered as a legendary name or in old texts, not in everyday speech.