▸ adjective [attributive]
1 Grammar relating to or denoting a case (especially in Latin) of nouns and pronouns (and words in grammatical agreement with them) indicating separation or an agent, instrument, or location.
3 relating to or subject to ablation through melting or evaporation:
the spacecraft's ablative heat shield.
▸ noun Grammar a word in the ablative case.
▪ (the ablative) the ablative case.
– ORIGIN late Middle English : from Old French ablative (feminine of ablatif), Latin ablativus, from ablat- ‘taken away’ (see ablation).