late Middle English : from Middle Dutch bonghe(noun)mid 19th cent. (originally Australian pidgin): from Yagara (an extinct Aboriginal language)1950s: of unknown originearly 19th cent.: symbolic
英英釋義網(wǎng)絡(luò)釋義
noun
1.a plug used to close a hole in a barrel or flask
vern
1.give a tip or gratuity to in return for a service, beyond the agreed-on compensation;