He whistled the code word and the door opened automatically.
We will give you the code word, and we ask nothing in return but that you listen for sixty seconds.
I think I'm on the trail, but the message is impossible to decipher unless we get the code word.
The address was a code word, care of the Rand Club, and the words were in Clem's writing.
The same day we received the code word which set in motion the machinery of pursuit.
A code word in his patter advertised to his confederates exactly whereabouts upon your person the treasure was carried.
"Stat" means emergency, that's just a code word that has been used for years in medical terms.
As the chair toppled and before he realized his own danger, the old man cried the code word that triggered the wall blasters.
Snap had taken the code word sheet that time we sealed the purser in the cage.