Definitions
1.nounThe act of penetrating something."Any penetration, however slight, is sufficient to complete the offense."
2.nounSpecifically, the insertion of the penis (or similar object) during sexual intercourse.
3.nounThe act of penetrating a given situation with the mind or faculties; perception, discernment.
4.nounA number or fraction that represents how many cards/decks will be dealt before shuffling, in contrast to the total number of cards/decks in play.
5.nounThe proportion of the target audience who buy the advertised product or service.