gab – In mechanics, a hook or a notch in a rod or lever that then engages with a pin or needle. More…
in the groove – An allusion to the reproduction of music by a needle on a gramophone record. More…
needle – Has the same Indo-European base as Latin nere, “to spin,” and Greek nema, “thread.” More…
feed dog – The part of a sewing machine that feeds the material under the needle. More…