intromission

Meaning

Noun

• the state of being allowed to enter; admittance
• the act of allowing to enter; admission
• putting one thing into another; insertion
• copulation: normally refers to the first moment of initial entry of a penis into a vagina, mouth or anus.
• An intermeddling with the affairs of another, either on legal grounds or without authority.

Origin

• From Latin intro-, "into", + mission', "sending", from Latin missio, from perfect passive participle missus, "sent", from verb mittere, "send", + noun of action -io. Commonly used to refer to the instant at which sexual intercourse begins, when the penis first slides into (enters) the vagina.