retráctil 152
retractable . ( Of the lat. )( retractum , supine of retrahere , bring or carry back). 1. adj. said of a piece or part of a whole: that can move ahead, and later, by itself, retract or hide. 2. adj. Zool. A part of the animal body saying: that can retract, leaving hidden; e.g., the nails of the felidae.