<p><strong>Noun</strong></p><ul><li>A woman who, most often secretly, has an ongoing sexual relationship with, and sometimes is financially supported by, someone who is openly married to, engaged to, or living with another person.</li><li>The dominant sexual partner, when female, in a BDSM relationship of unequal power.</li><li>A term of address in former use corresponding to Mrs., Miss, or Ms.</li><li>A female schoolteacher; schoolmistress.</li><li>Something regarded as feminine that has control or supremacy.</li><li>A woman who has authority, control, or power, especially the female head of a household, institution, or other establishment.</li><li>A woman employing, or in authority over, servants or attendants.</li><li>A female owner of enslaved people, in the institution of chattel slavery; a female slaveholder.</li><li>A female owner of a pet or other animal.</li><li>A woman who has the power of controlling or disposing of something at her own pleasure.</li><li>A woman who is skilled in something; a female master of an occupation or art.</li><li>Archaic term for sweetheart.</li></ul>