Acronym of US Navy Board of Inspection and Survey. It is an inspection that occurs on ships and submarines every 5 years and prior to commissioning. Known throughout the Navy for its gruelling inte...

(dated, military) A large gabion, six or seven feet long, filled with fascines, which the sapper sometimes rolls along before him for protection from the fire of an enemy.

Third-person singular simple present indicative form of shut off

plural of naphthaleneacetic acid