Also joug. [Echoic: cf. JUG sb.3] intr. Of the nightingale or other bird: To utter a sound like ‘jug.’ Hence Jugging ppl. a.
1598. Yong, Diana, 427. Iugging nightingales are sweetely singing.
1657. Thornley, trans. Longus’ Daphnis & Chloe, 124. The Nightingales began to jug and warble.
1783. Ainsworth’s Lat. Dict. (Morell), V. Gurio,… to jug, or jouk, as a nightingale doth.
1898. Daily News, 7 May, 10/2. The blithe lark, the jugging nightingale.
