Definition of tactor in English:

tactor

noun

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

    • ‘The insects carry the antennae directed forwards, and sometimes use them as tactors.’
    • ‘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.’
    • ‘After reaching the maximum point in its excursion, the tactor withdrew from contact.’
    • ‘Tactors are capable of a much more varied perception than we should on the first thought be inclined to suppose.’
    antenna, tentacle, horn
    View synonyms

Origin

Early 19th century: from Latin, from tangere to touch.

Pronunciation:

tactor

/ˈtaktə/