1
general::
Also, look up and down. Examine or inspect something or someone. For example, Jerry was looking over the books when he found an error, or They looked the new boy up and down. The first expression dates from the mid-1400s, the variant from the late 1800s.
American Heritage Idioms
2
general::
Phrase(s): look someone or something over
to examine someone or something. • I think you had better have the doctor look you over. • Please look over these papers.
McGrawhill's American Idioms And Phrasal Verbs