Bomb..

the impact and penetration of pressure-driven projectiles, pressure damage, and explosion-generated effects.

although the people using the devices may sometimes refer to them as a "bomb". The military use of the term "bomb", or more specifically aerial bomb action, typically refers to airdropped, unpowered explosive weapons most commonly used by air forces and naval aviation. Other military explosive weapons not classified as "bombs" include grenades,

Other military explosive weapons not classified as "bombs" include grenades, shells, depth charges (used in water), warheads when in missiles, or land mines. In unconventional warfare, other names can refer to a range of offensive weaponry.

word comes from the Latin bombus, which in turn comes from the Greek βόμβος