1. Key that secures entrance everywhere
   - passé-partout, master key, master

Derived forms: passkeys

Type of: key

• eureka
• eurhythmics
• eurhythmy
• Euripides
• euro
• Eurobabble
• Eurocentric
• mass spectrograph
• mass spectrometer
• mass spectroscopic
• mass spectroscopy
• mass spectrum
• mass unit
• mass-action principle
• mass-energy equivalence
• mass-market
• mass-produce
• mass-produced
• mass-spectrometric
• Massachuset
• Massachusetts
• Massachusetts Bay
• Massachusetts Bay Colony
• Massachusetts fern
• Massachusetts Institute of Technology