feeler
noun
[ ˈfiːlə ]
• an animal organ such as an antenna or palp that is used for testing things by touch or for searching for food.
Similar:
antenna,
tentacle,
horn,
whisker,
hair,
barb,
tactile organ,
sensory organ,
palp,
palpus,
pedipalp,
antennule,
tactor,
