caller

n. visitor; one who calls on the telephone; party who initiates communication (Computers)

Caller may refer to one of the following:Caller (telecommunications), a party that originates a callCaller (dancing), a person that calls dance figures in round dances and square dancesCaller to Islam, the Islamic equivalent of a Christian missionaryA software program or procedure that invokes a subroutine
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Noun
1. a social or business visitor; "the room was a mess because he hadn't expected company"
(synonym) company
(hypernym) visitor, visitant
(derivation) visit, call in, call
2. an investor who buys a call option
(hypernym) investor
3. the bettor in a card game who matches the bet and calls for a show of hands
(hypernym) bettor, better, wagerer, punter
(derivation) bid, call
4. a person who announces the changes of steps during a dance; "you need a fiddler and a caller for country dancing"
(synonym) caller-out
(hypernym) announcer
(derivation) call, call off
5. someone who proclaims or summons in a loud voice; "the callers were mothers summoning their children home for dinner"
(hypernym) announcer
(derivation) call
6. the person who convenes a meeting; "who is the caller of this meeting?"
(hypernym) leader
(hyponym) convener
(derivation) call
7. the person initiating a telephone call; "there were so many callers that he finally disconnected the telephone"
(synonym) caller-up, phoner, telephoner
(hypernym) speaker, talker, utterer, verbalizer, verbaliser
(derivation) call, telephone, call up, phone, ring
Adjective
1. providing coolness; "a cooling breeze"; "`caller' is a Scottish term as in `a caller breeze'"
(similar) cool
2. fresh; "caller fish"
(similar) fresh
(classification) Scotland

(n.)
One who calls.
  

(a.)
Fresh; in good condition; as, caller berrings.
  

(a.)
Cool; refreshing; fresh; as, a caller day; the caller air.
  

The person who identifies and calls performed elements. This person has the highest knowledge of figure skating or ice dancing.