caller

名词 caller:

1. a social or business visitor
   同义词：company
2. an investor who buys a call option
3. the bettor in a card game who matches the bet and calls for a show of hands
4. a person who announces the changes of steps during a dance
   同义词：caller-out
5. someone who proclaims or summons in a loud voice
6. the person who convenes a meeting
7. the person initiating a telephone call
   同义词：caller-up, phoner, telephoner

形容词 caller:

1. providing coolness
2. fresh

1. The telephonist asked the caller to hold on while she connected him.
   话务员要打电话的人别挂断电话，她替他接通电话。
2. The caller asked for a meeting with our leader.
   访客要求见我们的领导。
3. I'm sorry, caller, their telephone seems to be broken.
   对不起，对方的电话好象坏了。
4. The priest is a regular caller.
   这位神父经常来访。

caller

n.（名词）
One that calls, especially a party placing a telephone call.
打电话者：打电话的人，尤指在装有电话的晚会上
A person paying a short social visit.
来访者：进行短时社交拜访的人
A person who calls out numbers or directions, as at a bingo game or a square dance.
呼唤者，召集者：叫出数字或方向的人，如在宾果游戏中或在方步舞中

caller
caller 2

adj.Scots （形容词）【苏格兰】
Fresh.
新鲜的
Cool and refreshing.
冷鲜的：冷冻的和新鲜的

来源：
Middle English calour
中古英语 calour
alteration of calver
calver的变化