Definition of separate:
(adj) :
Apart from (the rest); not connected to or attached to (anything else); not
together (with); not
united (to)
"this chair can be disassembled into five separate pieces."
(v) :
to divide (a thing) into separate parts; to cause (things or people) to be separate
"separate the articles from the headings."
(n) :
anything that is sold by itself, especially an article of clothing