Definitions

1. noun

A device or missile designed to penetrate an enemy’s defenses

“The military deployed a new penetrator to break through the enemy’s fortified walls.”

2. noun

An organism that is able to penetrate a host organism or a substance

“The parasitic insect was a penetrator of the plant’s stem.”

3. noun

A person who penetrates or invades a particular sphere or territory

“The new businesswoman was a penetrator of the male-dominated industry.”

4. verb

To pass or enter through a surface or barrier

“The water penetrator helped to waterproof the boat.”