وَاحِدَة (one shout): The blow for resurrection. That is the last one. Allah (swt) says:
﴾ ثُمَّ نُفِخَ فِيهِ أُخْرَىٰ فَإِذَا هُمْ قِيَامٌ يَنظُرُونَ ﴿
(…Then it will be sounded another time, whereupon they will rise up, looking on.) (Az-Zumar : 68)