1
general::
Phrase(s): sign something out of some place [and] sign something out
to make a record of the borrowing of something from some place. • Dave signed the tape recorder out of the library. • Dave signed out the tape recorder as well as some blank tapes., Phrase(s): sign someone out of some place [and] sign someone out
to make a record of someone’s departure from some place. • Did someone sign you out of the factory, or did you just open the door and leave? • I signed out those two who just left.
McGrawhill's American Idioms And Phrasal Verbs