1) immersion, submersion
1a) of calamities and afflictions with which one is quite overwhelmed
1b) of John's baptism, that purification rite by which men on confessing their sins were bound to spiritual reformation, obtained the pardon of their past sins and became qualified for the benefits of the Messiah's kingdom soon to be set up. This was valid Christian baptism, as this was the only baptism the apostles received and it is not recorded anywhere that they were ever rebaptised after Pentecost.
1c) of Christian baptism; a rite of immersion in water ascommanded by Christ, by which one after confessing his sins and professing his faith in Christ, having been born again by the Holy Spirit unto a new life, identifies publicly with the fellowship of Christ and the church.
Part of Speech: noun neuter
Citing in TDNT: 1:545, 92
From G907; baptism (technically or figuratively): - baptism.
|(βάπτισμα βαπτίζομαι) suffer severely||24.82|
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 βάπτισμα; click on the second column to search for that grammatical form of the root βάπτισμα; click on the third column to search for that word and grammatical form; click on the total to search for the root βάπτισμα.