8 letters · 12 points in Scrabble
adjective of a firearm; not having rifling or internal spiral grooves inside the barrel
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English rifled English unrifled From un- + rifled.
Etymology from Wiktionary, CC BY-SA 3.0