- [countable, usually singular] (British English, taboo, slang)
an act of sex with somebody 性交 - [countable]
a large black bird with a long neck that lives near the sea 鸬鹚 - [uncountable]
a strong type of tobacco cut into long thin pieces 浓味烟丝；粗切烟丝
Word Originnoun sense 1 late Old English sceacga ‘rough matted hair’, of Germanic origin; related to Old Norse skegg ‘beard’. noun sense 2 mid 16th cent.: perhaps a use of the adjective shag, with reference to the bird's “shaggy” crest. noun sense 3 late 18th cent.: of unknown origin.