名詞 penis:

1. the male organ of copulation (`member' is a euphemism)
   同義詞：phallus, member

pe.nis

n.（名詞）
【復(fù)數(shù)】 pe.nis.es 或 pe.nes [-nôz] 【解剖學】
The male organ of copulation in higher vertebrates, homologous with the clitoris. In mammals, it also serves as the male organ of urinary excretion.
陰莖：高等脊椎動物與陰蒂相對應(yīng)在雄性哺乳動物里的雄性性交器官，也作為排尿器官
Any of various copulatory organs in males of lower animals.
陽具：低等動物雄性性交器官

來源：
Latin pônis * see pes-
拉丁語 pônis *參見 pes-