1. Of or relating to birds of a particular region or period
   - avifaunal

See also: avifauna

• retinal rod
• retinal scanning
• retinene
• retinitis
• retinoblastoma
• retinoid
• retinol
• retinopathy
• retinoscope
• retinue
• retire
• retired
• retired person
• retiree
• retirement
• retirement account
• retirement benefit
• retirement check
• retirement community
• retirement complex
• retirement fund
• retirement pension
• retirement plan
• retirement program
• retirement savings account