Definition of protractile in English:

protractile

adjective

  • another term for protrusible
    • ‘Wrasses characteristically have a protractile mouth, cycloid scales, and a single continuous dorsal fin lacking an obvious notch between the soft and spiny portions.’
    • ‘Ponyfish have a very protractile mouth, a phenomenon which can be demonstrated by squeezing the head, when the mouth will shoot forward.’
    • ‘Trap termites using their long protractile tongues, which are covered with a thick, sticky saliva.’
    • ‘In blennies the palatines are toothless, and the mouth not protractile.’

Pronunciation:

protractile

/prəˈtraktɪl//prəˈtraktʌɪl/