Definitions for uploadˈʌpˌloʊd
Random House Webster's College Dictionary
to transfer (software or data) from a computer to a larger or more powerful computer, as a server or mainframe.
Origin of upload:
transfer a file or program to a central computer from a smaller computer or a computer at a remote location
Kernerman English Learner's Dictionary
I uploaded the pictures onto the web.
data that has been uploaded
Such a file transfer.
to transfer data or files from a peripheral or subordinate system to a larger or more central one; especially from a personal computer to an Internet server.
You will have to convert your photograph to a jpg format if you wish to upload it.
The New Hacker's Dictionary
1. [techspeak] To transfer programs or data over a digital communications link from a system near you (especially a smaller or peripheral client system) to one further away from you (especially a larger or central host system). A transfer in the other direction is, of course, called a download 2. [speculatively] To move the essential patterns and algorithms that make up one's mind from one's brain into a computer. Those who are convinced that such patterns and algorithms capture the complete essence of the self view this prospect with pleasant anticipation.