1) to release on receipt of ransom
2) to redeem, liberate by payment of ransom
2a) to liberate
2b) to cause to be released to one's self by payment of a ransom
2c) to redeem
2d) to deliver: from evils of every kind, internal and external
Part of Speech: verb
Citing in TDNT: 4:349, 543
From G3083; to ransom (literally or figuratively): - redeem.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
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 λυτρόομαι; click on the second column to search for that grammatical form of the root λυτρόομαι; click on the third column to search for that word and grammatical form; click on the total to search for the root λυτρόομαι.