Phrasal verbs consists of a basic verb + another word or words. The two or three words that make up a phrasal verb form a short 'phrase' - which is why we call them 'phrasal verbs'.
Phrasal Verb:
call someone or something out
Meaning:
to request the services of someone or a group. (See also call someone up; call someone out.)
Example:
Things got bad enough that the governor called the militia out.