how·it·zer /ˈhaʊətsɚ/
榴彈炮
How·itz·er n. Mil. (a) A gun so short that the projectile, which was hollow, could be put in its place by hand; a kind of mortar. [Obs.] (b) A short, light, largebore cannon, usually having a chamber of smaller diameter than the rest of the bore, and intended to throw large projectiles with comparatively small charges.
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howitzer
n : a muzzle-loading high-angle gun with a short barrel that
fires shells at high elevations for a short range [syn: mortar,
trench mortar]