Cowherd of the folk tale Cowherd and Weaving maid 牛郎織女|牛郎织女
Altair (star)
cowherd boy
(slang) male prostitute
Definitions (粵典–words.hk)
名詞、專名
神話人物；傳説牛郎趁織女沖涼嗰陣偷走佢件羽衣，等佢返唔到上天，留低並成婚產子；其後被天庭處罰，同織女分隔於銀河兩岸，只可以每年一次喺七夕相見 the Cowherd, the male protagonist in the "The Cowherd and the Weaver Girl" folk tale; it is said that he and the Weaver Girl were a couple, but were only allowed to meet once a year during the 7th day of the 7th lunar month
Definitions (Wiktionary)
name
Niu Lang, the lowly cowherd in Chinese mythology; see The Cowherd and the Weaver Girl
noun, Taiwan, slang
male prostitute; host (Classifier: 個／个 m) (syn.) 㚻子, 吃相飯的, 兔子, 鴨子, 幺它, 相公, 鴨, 龜精 GT, 妓男, 吃相公飯的, 男妓, 屁精, GT - General Taiwaneseno specific region identified), 老泡兒, 兔兒爺, 桃脯, 男娼, 阿倌, 契弟, 兔兒, 妞兒夾子, 牛郎, 雄婊子