Protractile | Definition of Protractile by Merriam-Webster.

What does mean retractable?

retractable Add to list Share. Something retractable can be retracted: in other words, it can withdraw or collapse — like an umbrella or a cat's set of claws. Cats have claws that can be drawn in to their paws or extended. Anything like that is retractable.

What does protract mean in Latin?

First recorded in 1540–50, protract is from the Latin word prōtractus (past participle of prōtrahere “to draw forth, prolong”).