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ABEND /a'bend/, /*-bend'/ n.

[ABnormal END] 1. Abnormal termination (of software); [317]crash;
[318]lossage. Derives from an error message on the IBM 360; used
jokingly by hackers but seriously mainly by [319]code grinders.
Usually capitalized, but may appear as `abend'. Hackers will try to
persuade you that ABEND is called `abend' because it is what system
operators do to the machine late on Friday when they want to call it a
day, and hence is from the German `Abend' = `Evening'. 2.
[alt.callahans] Absent By Enforced Net Deprivation - used in the
subject lines of postings warning friends of an imminent loss of
Internet access. (This can be because of computer downtime, loss of
provider, moving or illness.) Variants of this also appear: ABVND =
`Absent By Voluntary Net Deprivation' and ABSEND = `Absent By
Self-Enforced Net Deprivation' have been sighted.
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accumulator n. obs.

1. Archaic term for a register. On-line use of it as a synonym for
`register' is a fairly reliable indication that the user has been
around for quite a while and/or that the architecture under discussion
is quite old. The term in full is almost never used of microprocessor
registers, for example, though symbolic names for arithmetic registers
beginning in `A' derive from historical use of the term `accumulator'