• Webster's Revised Unabridged Dictionary
    • a Tentaculate (Zoöl) Having tentacles, or organs like tentacles; tentacled.
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Century Dictionary and Cyclopedia
    • tentaculate Having a tentacle or tentacles; tentaculated; tentaculiferous.
    • tentaculate Tentaculiform; tentacular: a less careful usage: as, tentaculate processes.
    • tentaculate Of or pertaining to the Tentaculata: as, crinoids are tentaculate echinoderms.
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In literature:

Tentaculate: a margin when fringed with soft tactile processes.
"Explanation of Terms Used in Entomology" by John. B. Smith