Definition of locative case in English English dictionary
: case used to indicate place, or the place where, or wherein. It corresponds roughly to the English prepositions "in", "on", "at", and "by". Languages that use the locative case include Armenian, Belarusian, Croatian, Czech, Dyirbal, Latvian, Lithuanian, Polish, Quechua, Russian, Sanskrit, Serbian, Slovak, Slovene and Swahili. Some languages use the same locative case construct to indicate when, so the english phrase "in summer" would use the locative case construct