Usage examples for sac:

• Looking more closely at me, he two or three times muttered my name, and at last said, 'M. de Marsac? "Historical Romances: Under the Red Robe, Count Hannibal, A Gentleman of France" – Stanley J. Weyman

• These mews are built in the shape of a capital F. The photograph is taken looking straight down the short horizontal line, which ends, as you see, in a cul- de- sac "The Old Man in the Corner" – Baroness Orczy