Definition of intromissions:
(n) :
The act of allowing to enter; admission
(n) :
The state of being allowed to enter; admittance
(n) :
Putting one thing into another; introduction (into); insertion
(n) :
Copulation: usually the first moment of initial entry of a penis into a vagina, mouth or anus.
(n) :
(law, Scotland) An intermeddling with the affairs of another, either on legal grounds or without authority.