advb. phr. [A prep.1 + POOP sb.] On the poop, astern.
[1597. J. Payne, Royal Exch., 33. Steere at an ynch, or miss the haven, a fogg, at the entrans, storme and bellow on poope.]
1809. W. Irving, Knickerb., II. ii. (1849), 88. She … could get along very nearly as fast with the wind ahead, as a-poop.
