Synonyms:
Mayday
Meaning: an internationally recognized distress signal via radiotelephone (from the French m'aider)
Usage examples
Under his auspices the May-pole stood from year to year in the centre of the village green; on Mayday it was decorated with garlands and streamers, and a queen or lady of the May was appointed, as in former times, to preside at the sports and distribute the prizes and rewards.