Lance (verb)

1. Pierce or make an incision in (something) with a lance or similar pointed weapon or tool.
2. Remove (pus or other matter) from a wound, boil, or abscess by making a small incision with a lance.

Origin:

Middle english, from old french lancier, from lance 'spear'.

Examples:

1. The jouster lanced his opponent's shield.
2. The doctor lanced the boil on her arm.
3. The knight lanced the dragon through the heart.
4. He used a lance to unblock the drain.
5. The soldiers lanced the enemy's defenses.