Definitions from Wiktionary ( )

▸ noun:  Something placed before another
▸ noun:  (grammar, linguistic morphology) A morpheme added to the beginning of a word to modify its meaning, for example as, pre- in prefix, con- in conjure, re- in reheat, etc.
▸ noun:  (telecommunications) A set of digits placed before a telephone number, to indicate where the number is based, what type of phone number it is (landline, mobile, toll-free, premium rate etc.)
▸ noun:  A title added to a person's name, such as Mr. or Dr.
▸ noun:  (computing) An initial segment of a string of characters.
▸ verb:  (transitive) To determine beforehand; to set in advance.
▸ verb:  (transitive) To put or fix before, or at the beginning of something; to place at the start.

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