Meaning of aprowl

a•prowl

Pronunciation: (u-proul'), [key]
— adj.
  1. moving about in stealthy search; covertly stalking or hunting; prowling (usually used predicatively): The sudden silence in the jungle gave warning that some huge carnivore was aprowl.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.