sexual intercourse http://homosaurus.org/v2/intercourse http://homosaurus.org/v2/sexAct http://id.loc.gov/authorities/subjects/sh85120739 http://purl.bioontology.org/ontology/SNOMEDCT/70256003 http://purl.obolibrary.org/obo/NCIT_C72881 https://en.wikipedia.org/wiki/Sexual_intercourse https://www.wikidata.org/wiki/Q5873 SI Sexual interaction between at least two organisms which involves contact and is expected to culminate in orgasm or orgasms for one or all of the parties involved. intercourse intercourse lovemaking sex sexual sexual intercourse, NOS physical sexual interaction fuck yiff Glossary of HIV/AIDS-Related Terms