tertium quid /tûrˈsh(i-)əm kwid or terˈti-ŭm/)

1. A third unknown thing related to two specific known things
2. Something intermediate between opposites
3. The third person in the eternal triangle

• frijoles
• frikkadel
• frikkadels
• frill
• frilled
• frilled lizard
• frilled lizards
• frillier
• frillies
• frilliest
• frilling
• frillings
• frills
• frilly
• Frimaire
• fringe
• fringe benefit
• fringe benefits
• fringed
• fringe-dweller
• fringe-dwellers
• fringe effect
• fringe effects
• fringeless
• fringe medicine