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Webster 1913 Edition

Tentacle

Ten′ta-cle

,
Noun.
[NL.
tentaculum
, from L.
tentare
to handle, feel: cf. F.
tentacule
. See
Tempt
.]
(Zool.)
A more or less elongated process or organ, simple or branched, proceeding from the head or cephalic region of invertebrate animals, being either an organ of sense, prehension, or motion.
Tentacle sheath
(Zool.)
,
a sheathlike structure around the base of the tentacles of many mollusks.

Webster 1828 Edition

Tentacle

TEN'TACLE

,
Noun.
[L. tentacula.] A filiform process or organ, simple or branched, on the bodies of various animals of the Linnean class Vermes, and of Cuvier's Mollusca, Annelides, Echinodermata, Actinia, Medusae, Polypi, &c. either an organ of feeling, prehension or motion, sometimes round the mouth, sometimes on other parts of the body.

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