螺子ねじプロペラねじプロペラじ字FuriganaMeanings1nounscrew propellerrare termTechnical term for a propeller that works like a screw, used in marine and aviation contexts. Rare; the loanword スクリュー is more common.See also: スクリューこの船ふねは螺子ねじプロペラで動うごく。