Zool. [mod.L., f. L. tempt-, tent-, stem of temptāre, tentāre to feel + dim. suffix: cf. tentacle.] One of the unbranched twigs which stud the retractile tentacles of some Siphonophora.
1898. Sedgwick, Text-bk. Zool., I. iv. 140. These aggregations of thread-cells are especially found upon the tentilla, where they give rise to the cnidosacs or batteries.