PENETRATION

Definition

1. noun an attack that penetrates into enemy territory. — synonyms: incursion
2. noun clear or deep perception of a situation. — synonyms: insight
3. noun the act of entering into or through something.
4. noun the ability to make way into or through something.
5. noun the depth to which something penetrates (especially the depth reached by a projectile that hits a target).
6. noun the act (by a man) of inserting his penis into the vagina of a woman.