may·day 
(mādā′)
(mādā′)n.
An international radio signal word used by aircraft and ships in distress.
[From French (venez) m'aider, (come) help me!]
- gastroesophageal sphincter
- gastrointestinal
- gastrolith
- gastrologic
- gastrological
- gastrologically
- gastrologist
- gastrology
- gastronome
- gastronomer
- gastronomic
- gastronomical
- gastronomically
- gastronomist
- gastronomy
- gastroparesis
- gastropod
- gastropub
- gastroscope
- gastroscopic
- gastroscopist
- gastroscopy
- gastrostomy
- gastrotomy
- gastrotrich