Source : Webster's Revised Unabridged Dictionary (1913)

Rochet \Roch"et\, n. [F., dim. fr. OHG. rocch coat, G. rock.]
   1. (Eccl.) A linen garment resembling the surplise, but with
      narrower sleeves, also without sleeves, worn by bishops,
      and by some other ecclesiastical dignitaries, in certain
      religious ceremonies.

            They see no difference between an idler with a hat
            and national cockade, and an idler in a cowl or in a
            rochet.                               --Burke.

   2. A frock or outer garment worn in the thirteenth and
      fourteenth centuries. [Obs.] --Rom. of R.

Rochet \Roch"et\, n. [Probably corrupted fr. F. rouget the red
   gurnet, from rouge red. CF. {Rouge}.] (Zo["o]l.)
   The red gurnard, or gurnet. See {Gurnard}.