vocative
voc*a*tive
adjective
{bc}of, relating to, or being a grammatical case {dx_def}see {dxt|case:1||3a}{/dx_def} marking the one addressed (such as Latin {it}Domine{/it} in {it}miserere, Domine{/it} u0022have mercy, O Lordu0022)
vocative
noun
{bc}the vocative case of a language