E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Rowned in the Ear.
Whispered in the ear. The old word rown, rowned (to whisper, to talk in private). Polonius says to the king in HamletLet his queen-mother all alone entreat him to show his grieflet her be rowned with him; not blunt and loud, but in private converse. (See ROUND,To.)