Phrasal verbs are two or more words that together act as a completely new verb with a meaning separate from those of the original words.
Phrasal Verb:
call someone in (for something)
Meaning / Example:
1. to request that someone come to have a talk. > The manager called Karen in for a private meeting.
2. to request a consultation with a specialist in some field. (The person called probably will not "come in," but will work at another place.) > We will have to call a heart specialist in for a consultation.