= A =
arg /arg/ n.
Abbreviation for `argument' (to a
function), used so often as to have become a new word (like
`piano' from `pianoforte'). "The sine function takes 1 arg,
but the arc-tangent function can take either 1 or 2 args."
Compare param, parm, var.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.