Meanings
Usage patterns
槍で〈相手〉を突くto stab/thrust an opponent with a spear
The samurai thrust his spear at the enemy.
槍を投げるto throw a javelin
The athlete threw the javelin with all his strength.
槍を構えるto ready/hold a spear in a fighting stance
The soldiers stood ready with their spears leveled.
Expressions
槍が降ってもno matter what happens; come hell or high water