1. An internationally recognized distress signal via radiotelephone (from the French m'aider)

1. Observed in many countries to celebrate the coming of spring; observed in Russia and related countries in honour of labour
   - First of May, May 1

Derived forms: May Days, Maydays

Type of: day, distress call, distress signal

Part of: May

Encyclopedia: May Day

• intrabronchial
• intracapsular surgery
• intracellular
• intracellular fluid
• intracerebral
• intracranial
• intracranial aneurysm
• intracranial cavity
• intractability
• intractable
• intractableness
• intractably
• intracutaneous
• intradepartmental
• intradermal
• intradermal injection
• intradermal test
• intradermally
• intradermic
• intrados
• intragroup
• intralinguistic
• intralobular
• intramolecular
• intramural