Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun may_day

1 sense of may day

Sense 1
May Day, First of May, May 1 -- (observed in many countries to celebrate the coming of spring; observed in Russia and related countries in honor of labor)
       => day -- (a day assigned to a particular purpose or observance; "Mother's Day")


1 sense of mayday

Sense 1
Mayday -- (an internationally recognized distress signal via radiotelephone (from the French m'aider))
       => distress signal, distress call -- (an internationally recognized signal sent out by a ship or plane indicating that help is needed)