include vt.
[Usenet] 1. To duplicate a portion (or whole) of another's
message (typically with attribution to the source) in a reply or
followup, for clarifying the context of one's response. See the
discussion of inclusion styles under "Hacker Writing Style". 2.
[from C] #include
<disclaimer.h> has appeared in sig blocks to refer to a notional
`standard disclaimer file'.