Strong's #1494: eidolothuton (pronounced i-do-loth'-oo-ton)
 neuter of a compound of 1497 and a presumed derivative of 2380; an image-sacrifice, i.e. part of an idolatrous offering:--(meat, thing that is) offered (in sacrifice, sacrificed) to (unto) idols.
Thayer's Greek Lexicon:
 ̓́ 
 
  eidōlothuton 
 
 1) sacrificed to idols, the flesh left over from the heathen sacrifices
 
 1a) it was either eaten at the feasts or sold (by the poor and the miserly) in the market
 
  Part of Speech: adjective
Relation: neuter of a compound of G1497 and a presumed derivative of G2380
  Citing in TDNT: 2:378, 202
 
Usage:
This word is used 10 times:
Acts 15:29: "That ye abstain  from meats offered to idols, and from blood, and from things strangled, and"
Acts 21:25: "only that they keep themselves from  things offered to idols, and from blood, and from strangled,"
1 Corinthians 8:1: "Now as touching  things offered unto idols, we know that we all have knowledge."
1 Corinthians 8:4: "therefore the eating  of those things that are offered in sacrifice unto idols, we know that an idol is nothing"
1 Corinthians 8:7: "this hour eat it as  a thing offered unto an idol; and their conscience being"
1 Corinthians 8:10: "weak be emboldened to eat  those things which are offered to idols;"
1 Corinthians 10:19: "any thing, or  that which is offered in sacrifice to idols is any thing?"
1 Corinthians 10:28: "unto you, This is  offered in sacrifice unto idols, eat not for his sake"
Revelation 2:14: "children of Israel, to eat  things sacrificed unto idols, and to commit fornication."
Revelation 2:20: "to commit fornication, and to eat  things sacrificed unto idols."