\Prill\, n. [Cf. {Brill}.] (Zo["o]l.)
The brill.

\Prill\, v. i.
To flow. [Obs.] --Stow.

\Prill\, n.
A stream. [Obs.] --Davies (Microcosmos).

\Prill\, n. [Etymol. uncertain.]
1. (Mining)
   (a) A nugget of virgin metal.
   (b) Ore selected for excellence.
2. The button of metal from an assay.