螺子ねじプロペラ

ね

じ

プ

ロ

ペ

ラ

Meanings

1

noun

rare term

Technical 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.

スクリュー
More common loanword for 'screw' or 'screw propeller'. 螺子プロペラ is a rarer, more technical Japanese compound.
プロペラ
General term for 'propeller'. 螺子プロペラ specifies the screw type.

Compound of 螺子 (ねじ, 'screw') and プロペラ ('propeller'). The kanji 螺子 is a rare ateji for 'screw', while プロペラ is a loanword from English.