Definition of tactor in English:
An organ such as an antenna that is used for testing things by touch.
- it has been used as an argument that the antennae are primarily tactors.
- Cuvier regards them as a kind of tactors, and they also present some analogy to antenna.
- Tactors are capable of a much more varied perception than we should on the first thought be inclined to suppose.
early 19th century: from Latin, from tangere 'to touch'.