1) what is given in exchange for another as the price of his redemption, ransom
Part of Speech: noun neuter
Citing in TDNT: 4:349, 543
From G473 and G3083; a redemption price: - ransom.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ἀντίλυτρον; click on the second column to search for that grammatical form of the root ἀντίλυτρον; click on the third column to search for that word and grammatical form; click on the total to search for the root ἀντίλυτρον.