1. The large opening at the base of the cranium through which the spinal cord passes

Derived forms: foramen magnums

Type of: foramen, hiatus

Part of: braincase, brainpan, cranium

Encyclopedia: Foramen magnum

• collective security
• collectively
• collectivisation
• collectivise
• collectivised
• collectivism
• collectivist
• collectivistic
• collectivity
• collectivization
• collectivize
• collectivized
• collector
• collector of internal revenue
• collector's item
• collectorate
• colleen
• college
• college boy
• college girl
• college level
• college man
• College of Cardinals
• college student
• collegial