lesbiandom UK /ˈlɛz.bɪ.ən.dəm/US /ˈlɛz.bi.ənˌdəm/ noun2 •The quality or state of being a lesbian.So I moved on to college and many, many more firsts, another Becky (that's right, but with a "Y" this time ), and incredibly true adventures of lesbiandom. But I'll never forget that first kiss. — 2003 •Lesbians collectively.We noted that even here, among women whose sex lives are theoretically the most structured in lesbiandom, there's a fair amount of fluidity. — 1996