Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
tagger is a noun meaning "someone who assigns labels to the grammatical constituents of textual matter". It carries 3 recorded senses.
someone who assigns labels to the grammatical constituents of textual matter
someone who appends or joins one thing to another
“a theory that was simply added on by some anonymous tagger”
a computer program that attaches labels to the grammatical constituents of textual matter
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for tagger come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.