Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
tongue-lashing is a noun meaning "rebuking a person harshly". It carries one recorded sense.
rebuking a person harshly
Definitions, synonyms and semantic relations for tongue-lashing come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.