Definitions for "blackout period"
An interval of up to 60 days during which employees may not adjust the investments...
The period of time during which Social Security benefits are not paid to a surviving spouse; the time between the youngest child reaching the age of sixteen and the survivoring spouse reaching sixty years of age.
The period during which Social Security benefits are not paid to a surviving spouse--between the time the youngest child reaches age sixteen and the widow's sixtieth birthday.
Specific dates that a discounted or promotional airfare is not offered.