螺子らしCommonVariants螺子らし捩子ねじ捻子ねじ螺子ねじ螺旋ねじ捩子ネジ捻子ネジ螺子ネジ螺旋ネジMeaningsscrewkey (of a clock, watch, etc.); springKanji used螺small, edible, helical fresh-water mollusk子child