protrusible

• The protrusible tongue, ending in a sticky club, can be shot out for about seven inches in the common chameleon. —  The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told
• The bulk of the animal is marked VM; the eye is shown at E; a hood is marked H; round the mouth there are numerous lobes (L) bearing protrusible tentacles, some of which are shown. —  The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told
• Chim soon outdid him, and one of the funniest things imaginable was to see him blown at and blowing in return; his protrusible lips converted themselves into a trumpet-shaped instrument, which reminded one immediately of some of the devils of Albert Dürer, or those incredible forms which the old painters used to delight in piling together in their temptations of Saint Anthony. —  Heads and Tales : or, Anecdotes and Stories of Quadrupeds and Other Beasts, Chiefly Connected with Incidents in the Histories of More or Less Distinguished Men.
• Body more or less flask-shape, two or three times as long as broad, with conical apex, which is slightly elastic and protrusible; surface obliquely striate, with well-defined lines, 14 to 16 in number; cilia uniform on the body, with a crown of longer ones at the base of the conical proboscis. —  Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901

Allen's Synonyms and Antonyms