placeholder

Definition of Placeholder in English :

1. placeholder, procurator, proxy

a person authorized to act for another

2. placeholder

a symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set

WordNet Lexical Database for English. Princeton University. 2010.

Placeholder

noun

1. mathematics, logic

a symbol used in a logical or mathematical expression to represent another term or quantity that is not yet specified but may occupy that place later

2.

a section of text that is placed in a document, etc temporarily until the final text is inserted there at a later stage

3. business

someone who occupies a position on behalf of someone else, such as a deputy during the absence of the superior officer

4. government

someone who holds an official or government post, esp a post that is given as a reward for supporting the group now in power, rather than on merit

n.

1. One who holds an office or place, especially as a deputy, proxy, or appointed government official.

2. In a mathematical or logical expression, a symbol that may be replaced by the name of any element of a set.

3. In the decimal form of a number, a digit that is not significant.