les ‧ bi ‧ an /ˈlezbiən/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: Lesbian 'of the Greek island Lesbos' (17-21 centuries) , home of the 7th-century BC female poet Sappho, who was said to be homosexual ]
a woman who is sexually attracted to other women ⇨ gay
—lesbian adjective
—lesbianism noun [uncountable]