alloerotic en · ADJ
Etymology
From allo- (“other”) + erotic (“pertaining to erotic desire”).
Meanings
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(not-comparable) Having erotic desire for or attraction to another person of either sex.
It is this loss of gratification—whether autoerotic or alloerotic (involving another person such as the mother)—that Lacan refers to as "castration."
1999, Bruce Fink, A Clinical Introduction to Lacanian Psychoanalysis: Theory and Technique, Harvard University Press, page 66: