quadroon /kwo-droonˈ/, also quarteroon /kwör-tə-roonˈ/ (old)

1. A person of one-quarter black descent
2. Extended to refer to any person or animal of similarly mixed ancestry

• two shakes
• two shakes of a lamb's tail
• two-sided
• two-sidedness
• twosome
• twosomes
• two-speed gear
• two-start thread
• two-step
• two-steps
• two-storey
• two-storeyed
• two strings to one's bow
• twostroke
• twostrokes
• two ticks
• two-time
• two-timed
• two-timer
• two-timers
• two-times
• two-timing
• two-tone
• 'twould
• two-up