the amount that many barrels might hold
"The ship could carry several thousand barrels of oil in its cargo holds."
plural of barrel
"The ship groaned under the weight of hundreds of wooden barrels filled with fresh water."
Third-person singular simple present indicative form of barrel
"The old man barrels down the hallway without looking back."
In plain English: To barrel is to move very fast and without control, often crashing into things while doing it.
"The captain ordered the crew to pump out all the water from their damaged barrels before nightfall."