A figure in which the idea is expressed by two nouns connected by and, instead of by a noun and limiting adjective; as, we drink from cups and gold, for golden cups.

dConj() a figure of speech in which words are joined by grammatical conjunction so that the first simply intensifies in degree the meaning of the second ¶10-3-7. This device has much the effect of the intensive adverb very. In the classical languages the words were nouns, in English they are adjectives or adverbs.

use of two conjoined nouns instead of a noun and modifier

The use of a pair of independent words joined by and, where one of the words achieves the effect of a modifier, to express a single expanded idea, as nice and warm (nicely warm) or Tennyson's: waving to him white hands and courtesy (courteous white hands) Sidelight: Shakespeare's works contain many examples of hendiadys, such as "sound and fury" (furious sound) in Macbeth, and "heat and flame" (hot flame) in Hamlet.(Compare Prolepsis, Syllepsis. Zeugma)

A hendiadys (Grk: “one through two”) is a figure of speech that uses the combined idea of two words to express one meaning. Example:“The Lord rained upon Sodom and Gomorrah brimstone and fire” (meaning burning brimstone; Genesis 19:24)

Hendiadys (Greek for one through two) is a figure of speech used for emphasis — "The substitution of a conjunction for a subordination".