from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Capable of being protracted; extensible.
from The Century Dictionary.
- Susceptible of being drawn forward or thrust out, as the tongue of a woodpecker; protrusile: correlated with retractile, that which is one being also the other.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Capable of being protracted, or protruded; protrusile.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective That can be
protracted(as a cat's claws)
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective able to be extended
Sorry, no etymologies found.
If in the free (protractile) portion of the penis, that organ is to be withdrawn from its sheath until the nodule is exposed and can be incised.