gig·o·lo 
(jĭgə-lō′, zhĭg-)
(jĭgə-lō′, zhĭg-)n. pl. gig·o·los
1. A man who engages in an ongoing sexual relationship with a client in exchange for financial support.
2. A man who is hired as an escort or a dancing partner for a woman.
[French, perhaps from gigolette, dancing girl, prostitute, from giguer, to dance, from gigue, fiddle, from Old French; see GIGOT.]