Also joug. An imitative representation of one of the notes of the nightingale, and some other birds, usually repeated as jug, jug; hence, used as a name for this note.
1523. Skelton, Garl. Laurel, Wks. 1843, I. 401. To here this nightingale,… Warbelynge in the vale, Dug, dug, Iug, iug, With chuk, chuk, chuk, chuk!
1576. Gascoigne, Philomene (Arb.), 113. The next note to hir phy Is Iug, Iug, Iug, I gesse.
1773. Barrington, in Phil. Trans., LXIII. 261. Nothing, however, can be more marked than the note of a nightingale called its jug.
1864–5. Wood, Homes without H., xxxi. 624. The ‘jug-jug’ of one Nightingale is sure to set singing all others within hearing.
