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!]
- denegation
- denervate
- denervation
- transplacentally
- transplant
- transplantable
- transplantation
- transplanter
- transpolar
- transponder
- transpontine
- transport
- transportability
- transportable
- transportation
- transporter
- transportive
- transposable
- transpose
- transposition
- transpositional
- transposon
- transracial
- transsexual
- transship