From Longman Dictionary of Contemporary Englisharousala‧rous‧al /əˈraʊzəl/ noun [uncountable] SEX/HAVE SEX WITHexcitement, especially sexual excitement
Examples from the Corpus
arousal• These findings add considerable weight to the claims that emotional arousal is of causal significance to relapse.• He wasn't unmoved either, and his slow arousal against her made her arch into him.• The creative advertiser has the function of stimulating arousal in buyers.• Feeling his swift arousal, she dragged her mouth from his to bury it against his warm neck. 