gastraeum /ga-strēˈəm/ (zoology)

The undersurface of the body, esp in birds

• quarts
• quartz
• quartz clock
• quartz clocks
• quartz crystal
• quartz crystals
• quartzes
• quartz glass
• quartz glasses
• quartz-halogen lamp
• quartzier
• quartziest
• quartziferous
• quartz-iodine lamp
• quartzite
• quartzites
• quartzitic
• quartz lamp
• quartz lamps
• quartz-mill
• quartz-mills
• quartzose
• quartz-porphyries
• quartz-porphyry
• quartz-rock