Synonym: fair game, feed, predate, quarry, raven, target. Similar words: press, spread, prewar, prefer, preach, Supreme, pretty, prepare. Meaning: [preɪ] 
n. 1. a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence 2. animal hunted or caught for food. v. 1. profit from in an exploitatory manner 2. prey on or hunt for.
n. 1. a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence 2. animal hunted or caught for food. v. 1. profit from in an exploitatory manner 2. prey on or hunt for. 
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241 A three species predator prey chain periodic nonautonomous diffusive system is studied.
242 We investigate optimal policy for a predator - prey system with age - dependent.