Definition of "grooves" []

• Plural form of groove. (noun)
• Third-person singular simple present indicative form of groove. (verb)

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• "Also, Most of the air flow across the rifling grooves is inconsequential since most of the bearing surface is in the boundary layer created behind the ogive."
• "Del, Thanks, didn't click on that link but that first one with the wood and slight grooves is what I'd choose as a soveighneir."
• "A tungsten-carbide button with a reverse imprint of the rifling grooves is pulled through a blank by a hydraulic press."