1. Of a dark shade of grey
   - oxford-grey [Brit, Cdn], oxford-gray [US], dark-grey [Brit, Cdn]

See also: achromatic, neutral

• birdcage
• birdcage mask
• birdcall
• birder
• birdfeeder
• birdhouse
• birdie
• birdlike
• birdlime
• birdnest
• birdnesting
• birdseed
• birdseed grass
• birdsong
• birdwatch
• birefringence
• birefringent
• bireme
• biretta
• biriani
• birken
• birl
• birle
• birling
• Birmingham