Feel"er (?), n.
One who, or that which, feels.
One of the sense organs or certain animals (as insects), which are used in testing objects by touch and in searching for food; an antenna; a palp.
Insects . . . perpetually feeling and searching before them with their feelers or antennae.
Anything, as a proposal, observation, etc., put forth or thrown out in order to ascertain the views of others; something tentative.
© Webster 1913.