(1) See
burner phone and
burner email.
(2) A drive that records on write-once optical discs such as CD-Rs and DVD-Rs. A "burner" implies a one-time recording, but the term is also used to refer to drives that "write" to re-recordable CD-RW and DVD-RW/+RW media as well. See
burn,
CD-R and
DVD-R.