How to write 牡

牡 [mǔ] 名词 1. 雄性的鸟或兽，亦指植物的雄株，与“牝”相对。 (English: Male animals, also refers to male plants, opposite of "牝".) 例如: 牡牛 (English: male cattle) 2. 锁匙。 (English: Key.) 例如: 牡钥 (English: Key) 3. 丘陵。 (English: Hilly area.) 形容词 1. 雄性的，在生殖过程中起授精作用从而生育下一代的生物。 (English: Male, referring to organisms that contribute to reproduction and produce offspring.) 例如: 牡鸡 (English: male chicken) 引文 1. 《说文》：牡，畜父也。 (English: "Shuowen": Mǔ refers to the male livestock.) 2. 《诗·鲁颂·駉》：駉駉牡马。 (English: "Poetry": The horses are male.) 3. 《诗·邶风·匏有苦叶》：雉鸣求其牡。 (English: "Poetry": The pheasant cries to seek its male.) 引文 1. 汉·东方朔《神异记》：男露其牡，女张其牝。 (English: In the "Shen Yi Ji", it says: The man shows his male, and the woman shows her female.) 古代锁器的一部分，相当于后来的锁簧;门闩。 (English: A part of ancient locking mechanisms, equivalent to modern lock springs; door bolts.) 例如: 牡飞 (English: The door bolt falls off by itself. An ancient omen of internal turmoil.) 丘陵为牡。 (English: Hills are considered male.) 例: 牡麻(大麻的雄株) (English: Male hemp plant.) （*引自繁体辞典解释） （One more pronunciation.)