1. Huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic
   - apatosaur, apatosaurus, brontosaur, brontosaurus, Apatosaurus excelsus

Derived forms: thunder lizards

Type of: sauropod, sauropod dinosaur

Part of: genus Apatosaurus, genus Brontosaurus

Encyclopedia: Thunder lizard

• amoeba
• amoeban
• amoebiasis
• amoebic
• amoebic dysentery
• Amoebida
• Amoebina
• amoebiosis
• amoeboid
• amoebous
• amok
• amole
• Amon
• Amon-Ra
• among
• amongst
• Amontillado
• Amor
• amora
• amoral
• amoralism
• amoralist
• amorality
• amorally
• amoretto