caller
英 ['kɔːlə]
美['kɔlɚ]
	    - n. 访客;[通信] 呼叫者;打电话者;召集员
 - adj. 新鲜的
 - n. (Caller)人名;(西)卡列尔
 
英英释意
- 1. a social or business visitor;
 - "the room was a mess because he hadn't expected 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;
 - "you need a fiddler and a caller for country dancing"
 
- 5. someone who proclaims or summons in a loud voice;
 - "the callers were mothers summoning their children home for dinner"
 
- 6. the person who convenes a meeting;
 - "who is the caller of this meeting?"
 
- 7. the person initiating a telephone call;
 - "there were so many callers that he finally disconnected the telephone"