Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "trackbacks" in a sentence
"The more links you have, the longer it takes to process the pings and trackbacks is the number one excuse."
"Unfortunately, while I want to explain trackbacks, comments, comment spam, pings, and the wonderful interaction that blogging really is all about, it is simply summed up as online journaling."
"The most common and easy method of displaying comments and trackbacks is to mix them all together, listing them in chronological order, as they come into the blog."