1. Orchid of South and Central America having flowers similar to but smaller than Psychopsis papilio; sometimes placed in genus Oncidium
   - Oncidium papilio kramerianum

Type of: butterfly orchid

• attributive
• attributive genitive
• attributive genitive case
• attributively
• attrite
• attrited
• attrition
• attrition rate
• attritional
• attune
• ATV
• atypical
• atypical pneumonia
• atypicality
• atypically
• Au
• au courant
• au fait
• au gratin
• au jus
• au naturel
• au pair
• au pair girl
• au revoir
• aubade