noun ten·til·lum \ten‧ˈtiləm\

Definition of tentillum



  1. :  a branch of a tentacle; especially :  one of the contractile branches that are rich in nematocysts and that occur on the tentacles of various siphonophores

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Origin and Etymology of tentillum

New Latin, from Latin tentare to feel + -illum, diminutive suffix — more at tempt

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