tu·ple 
(tpəl, tŭpəl)
(tpəl, tŭpəl)n.
A generalization of ordered pairs, such as (-3, 4), and ordered triples, such as (0, -3, 5), in any dimension. An n-tuple is an ordered list of n numbers and can represent a point in n-dimensional space.
[From -tuple, as in QUINTUPLE or SEXTUPLE.]