"preying" in the verb sense
1. prey, feed
profit from in an exploitatory manner
"He feeds on her insecurity"
2. raven, prey, predate
prey on or hunt for
"These mammals predate certain eggs"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License