polysyndeton

[pol-ee-sin-di-ton, -tuh n] /ˌpɒl iˈsɪn dɪˌtɒn, -tən/
noun, Rhetoric
1.
the use of a number of conjunctions in close succession.
Compare asyndeton.
Origin
1580-90; < Neo-Latin; see poly-, asyndeton
British Dictionary definitions for polysyndeton

polysyndeton

/ˌpɒlɪˈsɪndɪtən/
noun
1.
(rhetoric) the use of several conjunctions in close succession, esp where some might be omitted, as in he ran and jumped and laughed for joy
2.
(grammar) Also called syndesis. a sentence containing more than two coordinate clauses
Word Origin
C16: poly- + -syndeton, from Greek sundetos bound together