• Reins

    Pronunciation

    Origin 1

    French reins, see rein in French.

    Noun

    noun

    1. (archaic) The kidneys.
    2. The lower part of the back.
    3. (architecture) The parts of a vault between the crown and the spring or abutment, including, and having especial reference to, the loading or filling behind the shell of the vault.

    Origin 2

    Noun

    plural

    1. Plural of rein

    Verb

    1. reins

      (third-person singular of rein)
    © Wiktionary