The seventh word of the Gettysburg Address is 'our'. This word is part of the famous speech given by President Abraham Lincoln on November 19, 1863, during the American Civil War. The speech was delivered at the dedication of the Soldiers' National Cemetery in Gettysburg, Pennsylvania. The address is considered one of the most important speeches in American history. The word 'our' is used to emphasize the shared responsibility of the nation to honor the fallen soldiers and to ensure that their sacrifice was not in vain.