apteral

/ˈæptərəl/
adjective
  1. Having no wings; wingless.
    • Some species of beetles are apteral, relying on running instead of flight.
    • The museum displayed an apteral bird skeleton, showing its evolutionary adaptation.
    • The apteral insects crawled along the ground, unable to fly.
  2. Of a building: having no side aisles or columns; without lateral wings or projections.
    • The apteral structure stood alone in the field, unadorned by side extensions.
    • The ancient temple was apteral, with a simple rectangular design.
    • Architects chose an apteral layout for the small chapel to save space.
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