a tendency to be sexually aroused by a member of the same sex.
Also ho·mo·er·o·tism [hoh-moh-er-uh-tiz-uh m] /ˌhoʊ moʊˈɛr əˌtɪz əm/.
Origin of homoeroticism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
of, concerning, or arousing sexual desire for persons of one's own sex
eroticism centred on or aroused by persons of one's own sex
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper