de·vour 
(dĭ-vour)
(dĭ-vour)tr.v. de·voured, de·vour·ing, de·vours
1. To eat up greedily. See Synonyms at eat.
2. To destroy, consume, or waste: Flames devoured the structure in minutes.
3. To take in eagerly: devour a novel.
4. To preoccupy or obsess in a harmful way: was devoured by jealousy.
[Middle English devouren, from Old French devourer, from Latin dēvorāre : dē-, de- + vorāre, to swallow.]
de·vourer n.
de·vouring·ly adv.