Mayday
noun[S],exclamation
uk/ˈmeɪ.deɪ/us/ˈmeɪ.deɪ/aspecialradiosignalsentfrom ashipor anaircraftwhen itneedshelp
(船只、飞机发出的)无线电求救信号Specific signs and symbols
- argent
- arrow
- badge
- brand
- Britannia
- checksomethingoff
- chevron
- coat of arms
- crested
- cross
- dot
- hallmark
- Maltese cross
- registered trademark
- sable
- semaphore
- service mark
- shield
- Star of David
- underscore
You can also find related words, phrases, and synonyms in the topics:
Emergency services in general