vocative

名词 vocative:

1. the case (in some inflected languages) used when the referent of the noun is being addressed
   同义词：vocative case

形容词 vocative:

1. relating to a case used in some languages

voc.a.tive

adj.（形容词）
Relating to, characteristic of, or used in calling.
称呼的：关于或有称呼特点的，或称呼所用的
Abbr. voc.,v.Relating to or being a grammatical case used in Latin and certain other languages to indicate the person or thing being addressed.
缩写 voc.,v.呼格的：关于或作为一种用于拉丁语和一些其它语言的语法情况，用于指示被称呼的人或物
n.Abbr. voc.,v.（名词）缩写 voc.,v.
The vocative case.
呼格
A word in the vocative case.
呼格中的一个词

来源：
Middle English vocatif
中古英语 vocatif
from Old French
源自 古法语
from Latin voc3tovus (c3sus) [vocative (case)]
源自 拉丁语 voc3tovus (c3sus) [称呼（格）]
from voc3tus [past participle of] voc3re [to call] * see vocation
源自 voc3tus [] voc3re的过去分词 [呼叫] *参见 vocation

【引伸】
voc.atively
adv.（副词）