Wiktionary
post off
vb. (context archaic English) To put off; to delay.
Usage examples of "post off".
Crouched behind a thick marble post off to one side of this landing, firing away with a huge Browning automatic rifle, was his good friend, Catfish Johnson, along with a dozen of his men.
Then he stepped up, assumed his guard stance and sheared the post off cleanly with a single mighty swing.