(of firearms) having a smooth, bore; not rifled.
a smoothbore gun.
(modifier) (of a firearm) having an unrifled bore: a smoothbore musket
such a firearm
noun 1. a symbol (‘) used in the writing of Greek to indicate that the initial vowel over which it is placed is unaspirated. smooth breathing noun 1. (in Greek) the sign (᾿) placed over an initial vowel, indicating that (in ancient Greek) it was not pronounced with an h Compare rough breathing
noun 1. a breed of short-haired collie with a smooth, thick coat.
- Smooth diet
smooth diet n. A diet containing little roughage.
noun 1. any of several requiem sharks having no spines in front of the dorsal fin, especially Mustelus canis, ranging along the American coast of the Atlantic Ocean.