A piece with a groove; a guttered component.
—If reluctance would be whelming over him,— Grandma turned intimately to Mam. In a lowered voice, she presented her the various parts of the unpacked appurtenances: —...we have the screw-onto adjunct. Herewith you dock the feeder fitment behind the chops; you see the gutterbit, this one here? The patented snap-collar holds the teeth fixily aparted. It's also protective, so the choppers wouldn't break if the fedbody jerks. Then the head reins are flung over. All three headbelts must be tightened up! We bolt the system to the mincer, grip the crank boldly, and we can twist. (Context: Grandma Estela explains how to use the feeding grinder and how to attach it to the fed person's mouth. Source: J∙ Okram - The Mystery of the Rammed Key.)