Divides in three

• Turns into a Mercedes-Benz logo, say, as a circle
• Cuts into three parts
• Creates three equal parts
• Divides into three equal parts
• Cuts geometrically
• Makes three out of one
• Divides into thirds
• Divides into three parts
• Creates equal shares

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: trisect )