1. One who confides

Derived forms: confiders

• three-day measles
• three-decker
• three-dimensional
• three-dimensional figure
• three-dimensional radar
• three-dimensionality
• three-figure
• three-fourths
• three-hitter
• three-hundredth
• three-lane
• three-legged
• three-lipped
• three-lobed
• three-membered
• three-mile limit
• three-needled
• three-party
• three-petaled
• three-petalled
• three-piece
• three-piece suit
• three-ply
• three-point landing
• three-point switch