女王 (nǚ wáng) literally means 'female king' — combining 女 (nǚ), meaning 'woman' or 'female', and 王 (wáng), meaning 'king' or 'sovereign'. It refers specifically to a female monarch who rules a kingdom in her own right, such as Queen Elizabeth II of the United Kingdom. Unlike 'empress' (皇后 huánghòu, which often denotes the emperor’s wife) or 'empress regnant' (女皇 nǚhuáng), 女王 emphasizes royal authority grounded in gender-specific sovereignty and is commonly used for rulers of constitutional monarchies or historical kingdoms.

The term appears frequently in history, literature, and media — for example, in stories about ancient Chinese states like Nüguo (the legendary 'Kingdom of Women') or modern references to powerful female leaders in fiction and news. It carries formal, respectful, and sometimes slightly literary connotations, and is rarely used metaphorically in casual speech — unlike English 'queen', which can be playful (e.g., 'queen of pop').