Smilodon
extinct mammal genus
extinct genus of large mammalian (mammal) carnivores (carnivore) known collectively by the common name sabre-toothed cat. Smilodon belongs to the subfamily Machairodontinae of family Felidae.- Atbara River
- Atbasar
- Atchafalaya Bay
- Atchafalaya River
- Atchison
- Atchison, Topeka and Santa Fe Railway Company, The
- Ate
- atelectasis
- Aterian industry
- Ateste
- Atget, Eugène
- Athabasca, Lake
- Athabasca River
- Athabaska, District of
- Athabaskan language family
- Athaliah
- Athamas
- Athanaric
- Athanasian Creed
- Athanasius I
- Athanasius Kircher
- Athanasius, Saint
- Athanasius the Athonite, Saint
- Atharvaveda
- atheism