retractile
Example Sentences
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Tentacle: a flexible sensory or tactile process; in some cases retractile: usually prefixed by a descriptive term indicating the structure to which it is attached.
From Explanation of Terms Used in Entomology by John. B. Smith
Once upon a time, many, many hundred years ago, the dog did use its claws; they were then retractile.
From The Wonders of the Jungle, Book Two by Sarath Kumar Ghosh
Sem′i-recon′dite, half-hidden; Sem′i-rē′flex, involuntarily performed, but not entirely independent of the will; Sem′i-reg′ular, pertaining to a quadrilateral having four equal sides, but only pairs of equal angles; Sem′i-retrac′tile, retractile to some extent.—n.
From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various
That this may be more perfectly accomplished, these arms are studded along their inner surface with rows of sucking discs, in each of which, by means of a retractile piston, a vacuum can be produced.
From Sea Monsters Unmasked and Sea Fables Explained by H. W. (Henry William) Lee
A short distance behind the head were two tremendous reddish-brown fins, with strong supporting spines that seemed to terminate in retractile claws.
From The Terror from the Depths by Sewell Peaslee Wright