M-day

[ em-dey ]
/ ˈɛmˌdeɪ /

noun Military.

mobilization day: a day assumed by the Department of Defense as the first day of mobilization, used by the military for planning purposes.

QUIZZES

GEE WHILLIKERS! WAIT TILL YOU SEE THIS WORD OF THE DAY QUIZ!

Do you remember all the words from last week, September 21–27, 2020? Then this quiz should be butyraceous.
Question 1 of 7
What does “yare” mean?

Origin of M-day

First recorded in 1935–40

Words nearby M-day

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020