nejipuropera
1. screw propeller
Noun
1. screw propeller
1. screw
2. key (of a clock, watch, etc.); spring
1. propeller
1. If/when it were a screw; If/when it's a screw
1. Probably a screw.
1. If/when it were a propeller.; If/when it was a propeller.
1. Was a screw.
1. If/when it is a propeller.; If/when it’s a propeller.
1. It is not a screw.
1. If/when screw; If it is a screw