Definition of tactor in English:

tactor

Line breaks: tac¦tor
Pronunciation: /ˈtaktə
 
/

noun

Zoology
An organ such as an antenna that is used for testing things by touch.
More example sentences
  • 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.

Origin

early 19th century: from Latin, from tangere 'to touch'.

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