To enter into; to make way into the interior of; to pierce.
To achieve understanding of, despite some obstacle; to comprehend; to understand.
To move a piece past the defending pieces of one's opponent.
To affect profoundly through the senses or feelings; to move deeply.
To insert the penis into an opening, such as a vagina, mouth or anus.
To infiltrate an enemy to gather intelligence.
To draw out the stops of (an organ).
To remove a stoppage; to clear a blockage.
To unplug or uncork a container.